EN： The structure 'Noun + of + Noun' is used to show possession or relationship, where the second noun often acts as the source or possessor. In 'the invention of writing', 'writing' is what was invented.
中文： “名词 + of + 名词”的结构用于表示所有关系或关联，其中第二个名词通常作为来源或所有者。在“the invention of writing”（文字的发明）中，“writing”（文字）是被发明的对象。
The discovery of electricity changed the world.
电力的发现改变了世界。
EN： The Simple Past Tense is used to describe actions or states that were completed in the past. Here, 'changed' is the past form of the regular verb 'change', indicating a completed historical event.
中文： 一般过去时（Simple Past Tense）用于描述在过去已经完成的动作或状态。在这里，“changed”是规则动词“change”的过去式，表示一个已经完成的历史事件。
The storm destroyed the old bridge yesterday.
暴风雨昨天摧毁了那座老桥。
EN： The causative verb 'let' is followed by an object and a bare infinitive (the base form of the verb without 'to'). It means to allow or permit something to happen.
中文： 使役动词「let」（让/允许）后面接宾语和原形不定式（即不带 'to' 的动词原型），表示允许或让某事发生。
The teacher let the students leave early.
老师让学生们提早离开。
EN： The preposition 'of' is used here to show a relationship of specification or description, where 'farming' is the action or substance being developed ('the development of farming').
中文： 介词「of」在此用于表示限定或描述关系，说明「发展」的具体内容是「农业」（即农业的发展）。
EN： This sentence reflects a fundamental historical consensus in anthropology and history: the Agricultural Revolution (the transition from hunting and gathering to farming) was the essential prerequisite for the rise of sedentary civilizations and urban centers.
中文： 這句話反映了人類學和歷史學上的一個基本共識：農業革命（從狩獵採集向農業的過渡）是定居文明和城市中心興起的必要前提。
EN： The noun 'peoples' (with an -s) is the plural form of 'people' when it refers to distinct ethnic groups, nations, or communities, rather than just a collection of individuals.
中文： 名词“peoples”（加 -s）是“people”的复数形式，当它用来指代不同的民族、国家或社群，而不是单纯指一群个人时使用。
The indigenous peoples of the Americas have rich cultural traditions.
美洲的原住民族拥有丰富的文化传统。
EN： The prepositional phrase 'of peoples' acts as an adjectival modifier, specifying which kind of 'migration' is being discussed. This structure (Noun + of + Noun) is common in formal English to show relationship or possession.
中文： 介词短语“of peoples”作为形容词修饰语，限定了所讨论的是哪一种“迁徙（migration）”。这种（名词 + of + 名词）的结构在正式英文中常用以表示关系或所有格。
The flow of water was controlled by the dam.
水的流动受到水坝的控制。
EN： In historical and anthropological contexts, the term 'peoples' is frequently used to emphasize the diversity of distinct cultural and ethnic groups moving across geographical boundaries, highlighting that history is shaped by many different societies interacting.
中文： 在歷史學和人類學的語境中，經常使用「peoples」一詞來強調跨越地理邊界的各個不同文化和族群的多樣性，這突顯了歷史是由許多不同社會相互交流所形塑而成的。
EN： The use of a possessive adjective ('Their') followed by a gerund-like noun phrase ('discovery of metal') acts as the complex subject of the sentence. This structure is common in formal writing to pack detailed information into the subject position.
中文： 使用所有格形容词（如 'Their'）后接名词短语（如 'discovery of metal'）来作为句子的复合主语。这种结构在正式写作中非常常见，能将丰富的信息浓缩在主语位置。
Her understanding of the problem helped us find a solution.
她对问题的理解帮助我们找到了解决方案。
EN： The simple past tense ('improved') is used to describe completed actions or historical facts that occurred at a specific time in the past.
中文： 简单过去式（如 'improved'）用于描述在过去特定时间已经完成的动作或历史事实。
The new technology changed the industry overnight.
这项新技术一夜之间改变了整个行业。
EN： The transition from the Stone Age to the Bronze Age and Iron Age (the discovery of metal) is universally recognized as a pivotal turning point in human history, enabling advanced agriculture, warfare, and craftsmanship.
中文： 從石器時代向青銅器時代和鐵器時代的過渡（即金屬的發現），被公認為人類歷史上的關鍵轉折點，這使得先進的農業、軍事和工藝技術成為可能。
EN： The structure 'The growth of [noun]' uses the preposition 'of' to show possession or connection, where 'growth' is a noun derived from the verb 'grow'. It functions as the complex subject of the sentence.
中文： “The growth of [名词]”（……的增长）结构使用介词“of”来表示所有关系或关联，其中“growth”是由动词“grow”衍生而来的名词。此结构在句中作为复合主语。
The growth of technology changed how we communicate.
科技的增长（发展）改变了我们的沟通方式。
EN： The past simple tense of the transitive verb 'link' (linked) is used here to describe a completed action in the past. It takes a direct object ('distant lands') to show what was connected.
中文： 及物动词“link”（连接/联系）的过去简单式（linked）在这里用于描述过去已完成的动作。它接一个直接宾语（“distant lands”）以表示被联系的对象。
The new highway linked the two major cities.
这条新公路将这两座大城市连接了起来。
EN： This sentence reflects a historical perspective on globalization. In history, trade routes like the Silk Road did not just exchange goods, but also served as vital channels for cultural, technological, and philosophical exchange between isolated civilizations.
中文： 這句話反映了全球化的歷史視角。在歷史上，像絲路這樣的貿易路線不僅僅是交換商品，更是孤立文明之間進行文化、技術和哲學交流的重要管道。
EN： The correlative conjunction 'both... and...' is used to join two grammatical elements of equal importance (nouns, adjectives, verbs, etc.), emphasizing that both elements are included.
中文： 关联连词「both... and...」（两者皆...；既...又...）用于连接两个具有相同语法地位的元素（如名词、形容词、动词等），用以强调两者皆包含在内。
The program provides both financial support and practical training.
该计划既提供资金支持，又提供实务培训。
EN： The prepositional phrase 'of cities' acts as an adjective modifying the noun 'rise'. In English, 'the noun1 + of + noun2' structure is commonly used to show relationship, possession, or composition.
中文： 介词短语「of cities」作为形容词修饰名词「rise」（兴起）。在英文中，「the 名词1 + of + 名词2」的结构常用于表示关系、所有权或组成成分。
The growth of technology has changed how we communicate.
科技的增长改变了我们的沟通方式。
EN： This sentence reflects a fundamental concept in historical and sociological studies: that urbanization (the rise of cities) is intrinsically linked to the development of economic surplus (wealth) and the formalization of social order (law).
中文： 這句話反映了歷史學和社會學研究中的一個基本概念：城市化（城市的興起）與經濟剩餘（財富）的累積以及社會秩序的規範化（法律）有著本質上的緊密聯繫。
EN： The noun phrase 'The spread of knowledge' uses the structure 'Noun + of + Noun' to express a concept where the first noun ('spread') is the action or state, and the second noun ('knowledge') is the receiver or subject of that action. This is a common way to form abstract subjects in academic and formal English.
中文： 名词短语“The spread of knowledge”（知识的传播）使用了“名词 + of + 名词”的结构来表达一个抽象概念。其中第一个名词（spread，传播）代表动作或状态，第二个名词（knowledge，知识）则是该动作的对象。这是学术与正式英语中常用以构建抽象主语的方式。
The accumulation of wealth can take many years.
财富的累积可能需要花费许多年的时间。
EN： The verb 'shaped' is in the simple past tense, indicating an action that was completed in the past. In this context, it describes how a historical process influenced and formed the characteristics of 'every culture'.
中文： 动词“shaped”（塑造）使用的是一般过去式，表示在过去已经完成的动作。在此语境中，它描述了一个历史过程如何影响并塑造了“每一个文化”的特征。
The harsh climate shaped the lifestyle of the local people.
恶劣的气候塑造了当地人民的生活方式。
EN： This sentence reflects a historical and sociological perspective on human civilization, emphasizing that culture is not static or isolated, but rather dynamically formed through the transmission and sharing of information and ideas across generations and regions.
中文： 這句話反映了對人類文明的歷史與社會學觀點，強調文化並非靜止或孤立存在，而是透過世代間與區域間資訊和思想的傳遞與共享，動態地被形塑而成。
EN： The verb 'give' is a ditransitive verb, which can take two objects: a direct object (what is given) and an indirect object (the recipient). In the pattern 'give + direct object + to + indirect object', the preposition 'to' is used to introduce the recipient.
中文： 动词「give」（给予）是一个双宾语动词，可以接两个宾语：直接宾语（给予的事物）和间接宾语（接受者）。在「give + 直接宾语 + to + 间接宾语」的结构中，介词「to」用来引出接受者。
She gave a book to her brother.
她给了她弟弟一本书。
EN： The noun phrase 'The creation of art' uses the preposition 'of' to show the relationship between the action (creation) and its object (art). This is often called an objective genitive construction.
中文： 名词短语「The creation of art」使用介词「of」来表示动作（创造）与其对象（艺术）之间的关系。这通常被称为宾格所有格结构。
The love of music brings people together.
对音乐的热爱将人们凝聚在一起。
EN： The noun phrase 'The exchange of goods' uses the preposition 'of' to show the relationship between the action (exchange) and the object being acted upon (goods). In this structure, 'of' functions to define the content or substance of the exchange.
中文： 名词短语「The exchange of goods」使用介词「of」来表示动作（交换）与受支配对象（商品）之间的关系。在这种结构中，「of」的作用是定义交换的内容或实质对象。
The flow of information must be free.
信息的流通必须是自由的。
EN： The past tense verb 'built' is the irregular past form of 'build'. It is used here to describe a completed action in the past that established a state (lasting bonds) which continues to have significance.
中文： 过去式动词「built」是「build」的不规则过去式。在这里它用来描述过去已完成的动作，该动作建立了一种持续具有重要意义的状态（持久的关系）。
They built a strong partnership over the years.
多年来，他们建立了牢固的伙伴关系。
EN： In historical and sociological contexts, 'the exchange of goods' refers to trade, which is culturally understood not just as an economic transaction, but as a primary vehicle for cultural diffusion, diplomacy, and the building of alliances (bonds) between different civilizations.
中文： 在歷史和社會學背景下，「the exchange of goods」（商品交換）指的是貿易。在文化上，貿易不僅被視為一種經濟交易，更被視為不同文明之間進行文化傳播、外交和建立聯盟（關係）的主要媒介。
EN： The structure 'keep + object + adjective' is used to describe causing someone or something to remain in a particular state. Here, 'keep' acts as a causative-like verb, 'the past' is the object, and 'alive' is the object complement (adjective) describing the state of the object.
中文： “keep + 宾语 + 形容词”的结构用于描述使某人或某事保持在特定状态。在这里，“keep”作为不完全及物动词，“the past”（过去）是宾语，而“alive”（活着的/延续的）则是形容词宾语补足语，用来描述宾语的状态。
The warm coat kept him comfortable during the winter.
保暖的大衣使他在冬天保持舒适。
EN： The preposition 'of' is used here to express an objective relationship, where 'records' is the receiver of the action implied by the noun 'protection' (protecting records).
中文： 介词“of”在这里用于表示“客体关系”（objective relationship），其中“records”（记录）是名词“protection”（保护）所隐含动作的接受者（即“保护记录”）。
The preservation of nature is crucial for our survival.
自然环境的保护对我们的生存至关重要。
EN： The prepositional phrase 'of stories' acts as an adjective modifying the noun 'collection'. This structure ('Noun + of + Noun') is commonly used to specify the content or composition of the first noun.
中文： 介词短语「of stories」（故事的）作为形容词使用，用来修饰名词「collection」（收集/合集）。这种「名词 + of + 名词」的结构常用于具体说明第一个名词的内容或组成成分。
The box of chocolates was empty.
那盒巧克力是空的。
EN： The Simple Past Tense ('preserved') is used to describe an action that was completed in the past. Regular verbs form the past tense by adding '-ed' (or '-d' if the verb already ends in 'e').
中文： 简单过去式（在此为「preserved」）用于描述在过去已经完成的动作。规则动词的过去式是在字尾加上「-ed」（若动词本身以「e」结尾，则只需加「-d」）。
She preserved the family photos in a special album.
她把家族照片保存在一本特别的相簿里。
EN： The verb 'begin' is used with the preposition 'with' to indicate the starting point, source, or initial element of a process or event.
中文： 动词「begin」（开始）常与介词「with」连用，用来表示某个过程或事件的起点、来源或初始要素。
The concert began with a beautiful piano solo.
音乐会以一段优美的钢琴独奏开始。
EN： Gerunds as Objects of Prepositions: 'Sharing' is a gerund (the -ing form of a verb acting as a noun) serving as the object of the preposition 'with'. It describes the action of sharing as a concept.
中文： 动名词作为介词宾语：「sharing」是一个动名词（动词的 -ing 形式，当作名词使用），在此作为介词「with」的宾语，将「分享」这个动作描述为一个抽象概念。
She is interested in learning new languages.
她对学习新语言感兴趣。
EN： The structure 'The [noun] of [noun]' is used to show possession, relationship, or composition. Here, 'the story of civilization' and 'the story of shared ideas' use 'of' to define what the story is about.
中文： 「The [名词] of [名词]」的结构用于表示所有关系、关联或组成成分。在本句中，「the story of civilization」（文明的故事）与「the story of shared ideas」（共享思想的故事）皆使用介词「of」来定义该故事的主题与内容。
The history of art is a reflection of human creativity.
艺术的历史是人类创造力的反映。
EN： The past participle 'shared' is used as an adjective modifying the noun 'ideas'. It describes the state of the ideas being held or used by more than one person.
中文： 过去分词「shared」（共享的）在此处作形容词使用，用来修饰后方的名词「ideas」（思想、想法），描述这些思想是被众人所共同拥有或使用的状态。
We need to work towards a shared goal.
我们需要朝着共同的目标努力。
EN： This sentence reflects a holistic and collaborative view of human progress, emphasizing that civilization is not just built on individual achievements or physical structures, but on the collective accumulation and transmission of knowledge across generations.
中文： 這句話反映了對人類進步的一種整體性與協作性的觀點，強調文明的建立不僅僅依賴於個人成就或實體建築，更取決於跨世代之間知識的集體累積與傳播。
EN： The verb 'allow' is a transitive verb that commonly takes an object followed by a to-infinitive ('allow + object + to-V') to express permitting or enabling someone or something to do an action.
中文： 动词“allow”（允许、使得）是常见的及物动词，常接宾语与不定式（allow + 宾语 + to-V），用来表示允许或使某人、某事能够进行某个动作。
The new technology allowed scientists to analyze the data much faster.
这项新技术使科学家能够更快地分析数据。
EN： The transitive verb 'outlast' means to last longer than or outlive something or someone else. It is formed by combining the prefix 'out-' (meaning to exceed) with the verb 'last'.
中文： 及物动词“outlast”意为“比……更长久”或“比……活得长”。它是由前缀“out-”（表示超越、胜过）与动词“last”（持续）组合而成。
EN： The verb 'free' can be used in the pattern 'free someone to do something', which means to release someone from constraints or duties, thereby enabling or allowing them to perform a particular action.
中文： 动词「free」可用于「free someone to do something」（释放某人以做某事）的句型，表示免除某人的限制或义务，从而使他们能够或得以执行特定行动。
The new software freed the employees to focus on creative tasks.
这款新软件使员工得以专注于创意任务。
EN： The infinitive phrase 'to build true cities' acts as an object complement, completing the meaning of the object 'people' by showing what they were enabled to do.
中文： 不定式短语「to build true cities」在此作为宾语补足语，用以补充说明宾语「people」的状态，指出他们被解放后得以进行的活动。
She encouraged him to pursue his dreams.
她鼓励他去追求他的梦想。
EN： This sentence refers to a major turning point in human history known as the Neolithic Revolution. Before agriculture, humans were nomadic hunter-gatherers. The surplus food from farming allowed people to settle permanently and build complex societies (cities).
中文： 這句話指的是人類歷史上被稱為「新石器革命」的重大轉折點。在農業出現之前，人類是游牧的狩獵採集者。農業帶來的剩餘糧食使人們能夠定居下來，並建立複雜的社會（城市）。
EN： The noun 'peoples' (plural of 'people') is used to refer to distinct ethnic groups, nations, or communities, rather than just a collection of individuals.
中文： 名词「peoples」（people 的复数形）用于指代不同的种族群体、民族或社群，而非仅指个人的集合。
The indigenous peoples of the Americas have rich cultural traditions.
美洲的原住民族拥有丰富的文化传统。
EN： The simple past tense verb 'carried' is used here to describe a completed action in the past. In this context, 'carry' means to spread or transport ideas or customs from one place to another.
中文： 过去简单式动词「carried」在此用于描述过去已完成的动作。在此语境中，「carry」表示将思想或习俗从一处传播或携带到另一处。
Traders carried new technologies along the Silk Road.
商人沿着丝路传播了新技术。
EN： The verb 'make' can function as a causative verb with the structure 'make + object + object complement (noun/adjective)'. In this sentence, 'made' is followed by the object 'stronger tools and homes' and implicitly functions to cause them to become stronger. More directly, 'make' here means 'to produce or create' (made tools and homes), where 'stronger' is an adjective modifying the noun phrase.
中文： 动词「make」在此处表示「制造」或「创造」，其结构为「make + 宾语（stronger tools and homes）」。其中「stronger」（更坚固的）为比较级形容词，用来修饰后方的名词「tools and homes」，说明制造出来的成品特征。
The new technology made efficient machines.
这项新技术制造出了高效率的机器。
EN： The noun phrase 'Their discovery of metals' uses the structure 'Noun + of + Noun' to express the object of an action. 'Discovery' is the action noun, and 'metals' is what was discovered. 'Their' functions as the possessive determiner showing who performed the action.
中文： 名词短语「Their discovery of metals」使用了「名词 + of + 名词」的结构来表示动作的对象。「discovery」（发现）是动作名词，而「metals」（金属）是被发现的对象。「Their」（他们的）则是所有格限定词，表示执行该动作的主体。
Our exploration of the cave revealed ancient paintings.
我们对那个洞穴的探索发现了古代壁画。
EN： The transition from the Stone Age to the Bronze Age and Iron Age (the 'discovery of metals') is a pivotal milestone in human history. It allowed for agricultural surplus and better defense, which directly catalyzed the rise of complex civilizations.
中文： 從石器時代向青銅時代和鐵器時代的過渡（即「金屬的發現」）是人類歷史上的關鍵里程碑。金屬工具大幅提升了農業生產力與防禦能力，直接催化了複雜文明的興起。
EN： The use of 'that' as a relative pronoun introducing a defining relative clause. It functions as the subject of the relative clause 'that never met before' and refers back to the plural noun 'lands'.
中文： 关系代词「that」引导限制性关系从句的用法。在此从句「that never met before」中，「that」担任主语，修饰先行词复数名词「lands」（土地）。
She bought a book that explains the history of trade.
她买了一本解释贸易历史的书。
EN： The noun phrase structure 'The growth of trade' where 'of' is used to show relationship or possession, indicating what is growing.
中文： 名词短语结构「The growth of trade」（贸易的增长），其中介词「of」用于表示关系或归属，指出增长的对象是「贸易」。
The development of technology changed our lives.
科技的发展改变了我们的生活。
EN： The noun phrase 'The exchange of...' uses the preposition 'of' to indicate the object of the exchange. This structure is commonly used to describe mutual giving and receiving of abstract or concrete things.
中文： 名词短语「The exchange of...」（...的交换/交流）使用介词「of」来表示交换的对象。此结构常用于描述抽象或具体事物的相互给予和接收。
The exchange of ideas during the meeting led to a great solution.
会议期间的意见交流促成了极佳的解决方案。
EN： The verb 'mean' (past tense 'meant') is used here to express logical consequence or implication, showing that one action or event naturally results in or includes another.
中文： 动词「mean」（过去式为「meant」）在此处用于表示逻辑上的结果或隐含意义，显示某个动作或事件自然会导致或包含另一个情况。
Losing the key meant we had to wait outside in the rain.
弄丢钥匙意味着我们必须在雨中淋雨等待。
EN： This sentence reflects a historical truth in human civilization: trade routes (like the Silk Road) were not just for economic transactions, but were primary channels for spreading religions, philosophies, and technologies across different cultures.
中文： 這句話反映了人類文明史中的一個核心事實：貿易路線（如絲路）不僅僅用於經濟交易，更是不同文化之間傳播宗教、哲學和技術的主要管道。
EN： The correlative conjunction 'both... and...' is used to join two grammatical elements of equal status (nouns, adjectives, verbs, etc.), emphasizing that both elements are included.
中文： 相关连接词「both... and...」（两者皆...；既...又...）用于连接两个语法地位对等的成分（如名词、形容词、动词等），用以强调两者皆包含在内。
The project brought both fame and wealth to the young artist.
这项企划为这位年轻艺术家带来了名声与财富。
EN： Noun phrases with 'of' (e.g., 'The rise of great cities') function as a single unit. 'The rise' is the head noun, and 'of great cities' is a prepositional phrase acting as an adjective to modify it.
中文： 由介词「of」引导的名词短语（例如「The rise of great cities」）在句中视为一个整体。「The rise」（兴起）为核心名词，而「of great cities」（伟大城市的）则是介词短语，作形容词用以修饰核心名词。
The growth of the company was very rapid.
这家公司的成长非常迅速。
EN： The phrasal verb pattern 'turn A into B' is used to describe a transformation, where 'A' (the original state or object) is changed into 'B' (the new state or result). 'Into' is a preposition indicating movement or transition.
中文： 短语动词模式「turn A into B」（将 A 转化为 B）用于描述一种转变，其中「A」（原始状态或事物）被改变为「B」（新的状态或结果）。介词「into」在此表示状态的转换或过渡。
The magician turned the silk scarf into a beautiful flower.
魔术师将丝巾变成了一朵美丽的花。
EN： The noun phrase 'The creation of art' uses the structure 'Noun + of + Noun' to express a relationship where the second noun is the object of the action implied by the first noun (creating art). This is a common way to form abstract subjects in formal English.
中文： 名词短语「The creation of art」使用「名词 + of + 名词」的结构，来表示第二个名词是第一个名词所隐含动作（创造艺术）的受体。这是英文正式文体中构建抽象主语的常用方式。
The protection of nature is essential for our survival.
保护自然对我们的生存至关重要。
EN： The causative verb 'let' is used to mean 'allow' or 'permit'. It is followed by an object and a bare infinitive (the base form of the verb without 'to'). Note that 'let' does not change form for third-person singular in the past tense (let-let-let).
中文： 使役动词「let」表示「允许」或「让」。其后接宾语和原型不定式（不带 to 的动词原型）。请注意，「let」的过去式与原型相同（let-let-let），在此句中作过去式动词。
The warm weather let the flowers bloom early.
温暖的天气让花朵提早绽放。
EN： The preposition 'from' is used after the verb 'learn' to indicate the source of knowledge, experience, or wisdom.
中文： 介词“from”接在动词“learn”之后，用来表示知识、经验或智慧的来源（从……中学习）。
We can learn a lot from our mistakes.
我们可以从我们的错误中学到很多。
EN： The noun phrase 'The spread of learning' uses the structure 'Noun + of + Gerund (verb-ing acting as a noun)' to describe an ongoing process or activity. Here, 'learning' acts as the object of the preposition 'of', defining what is being spread.
中文： 名词短语“The spread of learning”使用“名词 + of + 动名词（动词-ing 作名词用）”的结构，来描述一个持续进行的过程或活动。在这里，“learning”作为介词“of”的宾语，定义了传播的内容。
The love of reading can open many doors.
对阅读的热爱可以开启许多机会之门。
EN： The adverb 'slowly' is a modifier of manner, describing how the action 'lifted' was performed. In English, adverbs of manner can be placed before the main verb to emphasize the gradual nature of the process.
中文： 副词“slowly”是方式修饰语，用来描述动作“lifted”（提升）是如何进行的。在英文中，方式副词可以放在主要动词之前，以强调该过程渐进的性质。
The water slowly filled the empty bucket.
水缓慢地注满了空桶。
EN： The preposition 'through' is used here to indicate the medium, means, or method by which an action is achieved. It is followed by a noun phrase ('the patient sharing of knowledge') acting as the method of growth.
中文： 介词“through”在此处用于表示达成某个动作的媒介、手段或方法。其后接名词短语（在此为“the patient sharing of knowledge”），作为“成长”的方法。
She improved her English skills through daily practice.
她通过每日的练习提升了她的英语能力。
EN： The gerund 'sharing' (verb + -ing acting as a noun) is modified by the adjective 'patient' and followed by the prepositional phrase 'of knowledge' to function as a complex noun phrase.
中文： 动名词“sharing”（动词加 -ing 作名词使用）由形容词“patient”修饰，后接介词短语“of knowledge”，共同构成一个复合名词短语。
The careful planning of the event took several weeks.
对该活动的周密规划花费了数周的时间。
EN： Subject Question with 'What': When 'what' acts as the subject of a question, the sentence follows statement word order (Subject + Verb + Object) instead of using auxiliary verbs like 'do', 'does', or 'did'.
中文： 以 'What' 作为主语的问句：当 'what' 在问句中担任主语时，句子会遵循陈述句的语序（主语 + 动词 + 宾语），而不使用助动词（如 do、does 或 did）。
What caused the power outage?
是什么原因导致了停电？
EN： Vocative Case (Direct Address): The name of the person being spoken to (Emma) is placed at the end of the sentence, separated by a comma. This is used to get the person's attention or personalize the question.
中文： 呼格（直接称呼）：被说话者的名字（艾玛）放在句尾，并用逗号隔开。这用于吸引对方的注意或使问题更具针对性。
Where are we going, David?
我们要去哪里，大卫？
EN： In English-speaking academic and casual discussions, addressing someone by their first name (like 'Emma') at the end of a question is a common way to foster engagement, show respect, and make the conversation feel more personal and interactive.
中文： 在英語系的學術或日常討論中，在問句尾端直接稱呼對方的名字（如「艾瑪」）是一種常見的溝通方式，能增進互動感、展現尊重，並使對話顯得更具親和力。
EN： The noun phrase 'The invention of writing' uses the preposition 'of' to show the relationship between the action (inventing) and the object of that action (writing). This is a common way to form complex subject noun phrases in English.
中文： 名词短语「The invention of writing」使用介词「of」来表示动作（发明）与该动作对象（书写）之间的关系。这是英语中构建复杂主语名词短语的常用方式。
The discovery of electricity changed human life.
电力的发现改变了人类的生活。
EN： The simple past tense ('changed') is used to describe a completed action that occurred at a specific time in the past, which has a lasting impact on the present.
中文： 简单过去式（「changed」）用于描述在过去特定时间完成的动作，该动作对现在产生了深远的影响。
The arrival of the train started the journey.
火车的到来开启了这趟旅程。
EN： The sentence highlights a pivotal moment in human history. In English-speaking academic contexts, 'the invention of writing' is widely recognized as the boundary between prehistory and recorded history.
中文： 這句話強調了人類歷史上的關鍵時刻。在英語學術背景中，「書寫系統的發明」被廣泛視為史前時代與有文字記載歷史之間的分界線。
EN： The causative verb 'let' is used to mean 'allow' or 'permit'. It is followed by an object and the bare infinitive (the base form of the verb without 'to').
中文： 使役动词“let”表示“允许”或“让”。其后接宾语（受词）和原形不定式（即不带 to 的动词原形）。
Our teacher let us leave class early.
我们的老师让我们提早下课。
EN： The prepositional phrase 'of farming' acts as an adjective modifying the noun 'development'. This 'Noun + of + Noun' structure is commonly used to show relationship or composition.
中文： 介词短语“of farming”作为形容词修饰名词“development”。“名词 + of + 名词”的结构常用于表示关系或组成。
EN： The noun 'peoples' (with an -s) is the plural form of 'people' when it refers to distinct ethnic groups, nations, or communities, rather than just a collection of individuals.
中文： 名词“peoples”（加 -s）是“people”的复数形式，当它用来指代不同的民族、国家或社群，而非单纯指一群个人时使用。
The indigenous peoples of the Americas have rich cultural traditions.
美洲的原住民族拥有丰富的文化传统。
EN： The verb 'spread' is used here in its past tense form. 'Spread' is an irregular verb whose base form, past tense, and past participle are all identical (spread - spread - spread).
中文： 动词“spread”在此处为过去式。“spread”是一个不规则动词，其原形、过去式和过去分词形式完全相同（spread - spread - spread）。
The news of the discovery spread quickly throughout the scientific community.
这一发现的消息迅速在科学界传播开来。
EN： In historical and anthropological contexts, 'peoples' is specifically used to emphasize the diversity of distinct cultural and ethnic groups moving across geographical borders, rather than just a general crowd of people.
中文： 在歷史學和人類學的語境中，「peoples」被專門用來強調跨越地理邊界遷移的不同文化和族群的多樣性，而不僅僅是指一般意義上的人群。
EN： The structure 'The growth of [noun]' uses the definite article 'the' and the preposition 'of' to describe the development or expansion of a specific concept (here, 'trade'). This functions as a complex noun phrase acting as the subject of the sentence.
中文： 「The growth of [名词]」的结构使用定冠词「the」和介词「of」来描述某个特定概念（在此指「贸易」）的发展或扩张。这形成了一个复杂的名词短语，在句中担任主语。
The growth of technology changed how we communicate.
科技的增长改变了我们沟通的方式。
EN： The past simple tense of the transitive verb 'link' (linked) is used here to describe a completed action in the past. It takes a direct object ('distant lands') to show what was connected.
中文： 及物动词「link」（连结）的过去简单式（linked）在此用于描述过去已完成的动作。它接一个直接宾语（「distant lands」，遥远的土地）来表示被连结的对象。
The new highway linked the two major cities.
这条新公路将这两座主要城市联系了起来。
EN： This sentence reflects a historical truth about global development. Trade routes like the Silk Road did not just exchange goods, but also served as vital channels for cultural, technological, and philosophical exchange between isolated civilizations.
中文： 這句話反映了全球發展的歷史事實。像絲路這樣的貿易路線不僅僅是交換商品，更是孤立文明之間進行文化、技術和哲學交流的重要管道。
EN： The structure 'The exchange of goods' uses the preposition 'of' to show the relationship between the action/noun 'exchange' and the object 'goods'. In English, 'noun + of + noun' is a common way to express a specific category or target of an activity.
中文： 结构“The exchange of goods”使用介词“of”来表示名词“exchange（交换）”与对象“goods（物资/商品）”之间的关系。在英文中，“名词 + of + 名词”是表达某种活动之具体对象或类别的常用方式。
The flow of information is crucial for the project.
信息的流通对这个项目至关重要。
EN： The past simple tense of the irregular verb 'build' is 'built'. It is used here to describe a completed action in the past that established a historical state.
中文： 不规则动词“build（建立）”的过去式为“built”。此处使用过去简单式，用来描述过去已经完成并奠定某种历史状态的动作。
They built a strong partnership over the years.
他们多年来建立了强健的伙伴关系。
EN： In historical and anthropological contexts, 'bonds' refers not just to physical ties, but to social, diplomatic, and emotional connections between different tribes or nations. The exchange of goods (barter or trade) is universally recognized as the foundation of early international relations.
中文： 在歷史與人類學背景中，「bonds（關係/紐帶）」不僅指物理上的連結，更指不同部落或國家之間的社會、外交與情感聯繫。物資交換（以物易物或貿易）被公認為早期國際關係奠定的基石。
EN： The verb 'give' is a ditransitive verb, which means it can take two objects: an indirect object (the recipient, 'life') and a direct object (the thing being given, 'meaning'). The typical structure is 'Subject + Verb + Indirect Object + Direct Object'.
中文： 动词「give」（给予）是一个双宾语动词（ditransitive verb），意即它可以接两个宾语：间接宾语（接受者，在此为 'life'）与直接宾语（被给予的事物，在此为 'meaning'）。其典型结构为「主语 + 动词 + 间接宾语 + 直接宾语」。
The teacher gave the students some advice.
老师给了学生们一些建议。
EN： The noun phrase 'The creation of art' uses the preposition 'of' to show the relationship between the action (creation) and its object (art). This is a common way to form complex subject noun phrases.
中文： 名词短语「The creation of art」（艺术的创造）使用介词「of」来表示动作（创造）与其对象（艺术）之间的关系。这是构建复杂主语名词短语的常用方式。
The discovery of gold changed the town forever.
黄金的发现永远改变了这个小镇。
EN： This sentence reflects a philosophical view common in humanist traditions, emphasizing that art is not merely decorative but essential to the human experience and existential purpose.
中文： 這句話反映了人文主義傳統中常見的哲學觀點，強調藝術不僅僅是裝飾，更是人類體驗和存在意義中不可或缺的一部分。
EN： The verb 'keep' can be used in the pattern 'keep + object + adjective' to describe causing someone or something to remain in a particular state.
中文： 动词「keep」可用于「keep + 宾语 + 形容词」的句型，用来描述使某人或某事保持在特定的状态。
Please keep the door open.
请保持门开着。
EN： The preposition 'of' is used here to show the relationship between the action-like noun 'protection' and its object 'records' (objective genitive).
中文： 介词「of」在此处用于表示动作名词「protection（保护）」与其宾语「records（记录）」之间的关系（目的所有格）。
EN： This sentence reflects a universal historical truth: the preservation of written records is what allows human knowledge and history to survive across generations, forming the bedrock of civilization.
中文： 這句話反映了一個普世的歷史真理：書面記錄的保存，是人類知識與歷史得以跨世代流傳的關鍵，也是文明發展的基石。
EN： The phrasal verb 'grow from' means to develop or originate from a particular source or cause. In this context, 'grew' is the past tense of 'grow', indicating a historical or completed process of development.
中文： 短语动词「grow from」意为「源自于」或「从……发展而来」，表示某事物的来源或起因。在此句中，「grew」是「grow」的过去式，用来描述一个历史上或已完成的发展过程。
Her confidence grew from years of hard work.
她的自信源自于多年的努力。
EN： The gerund 'sharing' (the -ing form of the verb 'share') functions as a noun here, representing the action of distributing or exchanging. It is preceded by the definite article 'the' and followed by the prepositional phrase 'of ideas' to specify what is being shared.
中文： 动名词「sharing」（动词「share」的 -ing 形式）在此处作为名词使用，代表分发或交流的行为。前面加上定冠词「the」，后面接介词短语「of ideas」，用以明确指出所分享的内容。
EN： The passive voice 'is built on' is used to describe the foundation or basis of something. 'Be built on' (am/is/are + past participle + on) indicates that a concept, system, or physical structure relies on a specific foundation.
中文： 被动语态「is built on」（由 be 动词 + 过去分词 built + 介词 on 组成）用于描述某事物的基础或根基，表示某个概念、系统或实体建筑是建立在特定的基础之上。
Trust is built on honesty.
信任是建立在诚实之上的。
EN： The nominal relative pronoun 'what' functions as 'the thing(s) that' or 'that which'. In this sentence, 'what' introduces a noun clause ('what we pass on') acting as the object of the preposition 'on'.
中文： 关系代词「what」相当于「the thing(s) that」（所……的事物），在此引导一个名词从句（what we pass on），作为介词「on」的宾语。
EN： The phrase 'pass on' carries a strong cultural connotation of legacy, heritage, and the transmission of knowledge, values, and traditions from one generation to the next, which is a foundational concept in the history of human civilization.
中文： 片語「pass on」帶有強烈的傳承、遺產以及將知識、價值觀和傳統代代相傳的文化意涵。這是人類文明史中非常核心的基礎概念。
重要单词附有 IPA 发音、定义、例句和互动式测验。
在本文中： 人口或族群的迁徙、移居
在本文中： 人类文明、文明社会
在本文中： 比……更长寿、比……持久
在本文中： 社会习俗、传统风俗
在本文中： 交流、互换（思想、货物等）
在本文中： 进步、发展、前进
在本文中： 保护、保存
在本文中： 有耐心的、需要耐性的
片语包含类型标示、双语定义、用法说明和例句。
To exist or endure longer than the lifespan of an individual person.
超越单一生命的长度、世代相传
To preserve history, memories, or traditions so they are not forgotten.
让历史鲜活保存、使过去不被遗忘
To transmit or hand down knowledge, traditions, or values to the next generation.
传承、传递（知识、文化、遗产等）