EN： Present Perfect Tense (has + past participle): Used here to describe an action or state that started in the past and continues to be relevant or true in the present.
中文： 现在完成时 (has + 过去分词)：此处用于描述从过去开始并持续到现在，且在目前仍具重要性或属实的状态。
Artificial intelligence has become an essential tool in modern medicine.
人工智能已成为现代医学中不可或缺的工具。
EN： Present Participle as an Adjective Phrase (facing...): The word 'facing' acts as a reduced relative clause (which faces/is facing) to modify the noun 'challenges'.
中文： 现在分词作形容词短语 (facing...)：'facing' 在此作为简化关系从句，用来修饰名词 'challenges' (挑战)。
The issues facing the local community require immediate attention.
当地社区面临的问题需要立即关注。
EN： The phrase 'twenty-first century' is often used in formal English to emphasize the modern era and the unique problems that define our current time.
中文： 「twenty-first century」(二十一世紀) 在正式英文中常用來強調現代紀元，以及定義我們當前時代的獨特問題。
EN： Compound Subject: When multiple noun phrases are joined by 'and', they form a compound subject. If the items are distinct, the verb must be in the plural form (in this case, 'are').
中文： 复合主语：当多个名词短语由 'and' 连接时，它们构成复合主语。如果这些项目是分开的个体，动词必须使用复数形式（在此句中为 'are'）。
Reading, writing, and speaking are essential skills in language learning.
读、写、说都是语言学习中的基本技能。
EN： Negative Adverbial Phrase 'no longer': This phrase is used to indicate that a situation that existed in the past has now changed and does not exist anymore.
中文： 否定状语短语 'no longer'：此短语用于表示过去存在的情况现在已经改变，不再存在了。
He no longer works for that company.
他不再在那家公司工作了。
EN： The phrase 'distant threats' reflects a shift in global environmental discourse. For decades, climate change was discussed as a future problem, but modern English texts now emphasize its immediate, present-day reality.
中文： 「distant threats」（遙遠的威脅）反映了全球環境論述的轉變。幾十年來，氣候變遷一直被討論為未來的問題，但現代英文文本現在強調其即時、現狀的真實性。
EN： Relative Clause (Adjective Clause): The word 'that' acts as a relative pronoun introducing a clause that describes the noun 'realities'. Since 'that' is the subject of the clause, it is followed directly by the verb 'affect'.
中文： 关系从句（形容词从句）：单词 'that' 作为关系代词，引导一个用来修饰名词 'realities'（现实）的从句。由于 'that' 在从句中担任主语，因此其后直接接动词 'affect'。
I have a friend that lives in London.
我有一个住在伦敦的朋友。
EN： Subject-Verb Agreement: In the relative clause, the verb 'affect' must agree with its antecedent 'realities'. Since 'realities' is plural, the base form of the verb is used.
中文： 主谓一致：在关系从句中，动词 'affect' 必须与其先行词 'realities' 保持一致。因为 'realities' 是复数，所以动词使用原形。
These are the factors that cause the problem.
这些是导致该问题的因素。
EN： The phrase 'every single day' is an idiomatic way to emphasize that something happens without exception. It adds emotional weight to the statement compared to just saying 'every day'.
中文： 片語 'every single day' 是一種慣用語，用來強調某事毫無例外地發生。與單純說 'every day' 相比，它為陳述增添了情感重量與緊迫感。
EN： The conjunction 'unless' is used to introduce a negative condition, meaning 'except if' or 'if... not'. It is often used in conditional sentences to show that a specific result will occur if the condition is not met.
中文： 连词「unless」用于引导否定条件，意思是「除非」或「如果不」。它常用于条件句中，表示如果未满足该条件，则会发生特定的结果。
You will fail the exam unless you study harder.
除非你更努力学习，否则你考试会不及格。
EN： The Present Perfect tense ('have warned') is used here to describe an action that happened at an unspecified time in the past and has relevance to the present situation.
中文： 现在完成时（have warned）在此用于描述过去某个不确定时间发生的动作，且该动作与现状具有关联性。
Experts have suggested that we reduce our plastic waste.
专家们已经建议我们减少塑料垃圾。
EN： The use of 'irreversible' in climate discussions reflects a significant shift in scientific communication, emphasizing that some environmental changes cannot be undone, which serves as a powerful rhetorical tool to urge immediate policy changes.
中文： 在氣候討論中使用「irreversible」（不可逆轉）一詞反映了科學溝通中的重大轉變，強調某些環境變化是無法挽回的，這已成為敦促立即進行政策變革的強大修辭工具。
EN： The structure 'One of the + plural noun' is used to pick one item from a group. Even though the noun following 'of' is plural (drivers), the subject of the sentence is 'One', which is singular. Therefore, the verb must be singular (is).
中文： 「One of the + 复数名词」结构用于从群体中挑选出一个项目。尽管 of 后面的名词是复数 (drivers)，但句子的主语是单数的 One，因此动词必须使用单数形式 (is)。
One of the most important factors is regular exercise.
最重要的因素之一是规律运动。
EN： The preposition 'of' is used here to show a relationship of belonging or origin, connecting the 'drivers' to 'climate change'. It functions as an adjectival phrase modifying the noun.
中文： 介词「of」在此处用于表示归属或来源关系，将「驱动力 (drivers)」与「气候变化 (climate change)」联系起来。它作为形容词短语来修饰名词。
The cause of the problem remains unknown.
问题的原因仍然不明。
EN： In scientific and environmental discussions, 'carbon dioxide' is often abbreviated as CO2. The term 'drivers' is frequently used in academic English to describe factors that cause or influence a particular trend or phenomenon.
中文： 在科學和環境討論中，「carbon dioxide (二氧化碳)」常縮寫為 CO2。此外，「drivers」一詞在學術英語中常用來描述導致或影響特定趨勢或現象的「驅動因素」或「主因」。
EN： Gerund as Subject: A gerund (verb + -ing) functions as a noun and can serve as the subject of a sentence. It is treated as a singular noun, requiring a singular verb form.
中文： 动名词作主语：动名词（动词 + -ing）具有名词功能，可作为句子的主语。在语法上视为单数名词，因此动词需使用单数形式。
Reducing plastic waste is essential for protecting the ocean.
减少塑料废弃物对于保护海洋至关重要。
EN： Present Perfect Tense: Formed with 'has/have + past participle', this tense is used to describe an action that started in the past and continues to have an effect or relevance in the present, often used with time markers like 'over the past century'.
中文： 现在完成时：由「has/have + 过去分词」构成，用于描述从过去开始并持续影响到现在，或与现在仍相关的动作。常与「over the past century」（在过去一个世纪以来）等时间标记连用。
Technology has changed the way we communicate with each other.
科技已经改变了我们彼此沟通的方式。
EN： The term 'fossil fuels' refers to natural fuels such as coal or gas, formed in the geological past from the remains of living organisms. In modern environmental discourse, this term is often associated with the debate over renewable energy vs. traditional energy sources.
中文： 「化石燃料」(fossil fuels) 指的是煤炭或天然氣等天然燃料，由地質年代中生物遺骸形成。在現代環境論述中，這個詞通常與再生能源對比傳統能源的辯論緊密相關。
EN： Present Perfect Passive: Formed by 'has/have + been + past participle', it describes an action that started in the past and continues to the present, or has a result in the present, where the subject receives the action.
中文： 现在完成被动语态：由「has/have + been + 过去分词」构成，描述一个从过去开始持续到现在，或对现在产生影响的动作，且主语是动作的接受者。
The local library has been renovated to accommodate more visitors.
当地图书馆已经过翻修，以容纳更多访客。
EN： Participle Phrases for Result: The present participles 'trapping' and 'causing' act as a reduced relative clause or a result clause, indicating a simultaneous action or a direct consequence of the main clause.
中文： 分词短语表示结果：现在分词「trapping」和「causing」在此作为简化从句，用来表示与主句动作同时发生或主句动作所导致的直接结果。
The heavy rain lasted for hours, flooding the streets.
大雨持续了数小时，导致街道淹水。
EN： Gerund as Subject: The word 'Reducing' is a gerund (verb + -ing) acting as the subject of the sentence. When a gerund is the subject, it is treated as a singular noun, which is why the singular verb 'has' is used.
中文： 动名词作主语：单词 'Reducing' 是动名词（动词 + -ing），在此句中担任主语。当动名词作为主语时，会被视为单数名词，因此后方接单数动词 'has'。
Learning a new language opens up many opportunities.
学习一门新语言会开启许多机会。
EN： Present Perfect Tense: The structure 'has become' indicates an action or state that started in the past and continues to be true or has relevance in the present.
中文： 现在完成时：结构 'has become' 表示一个从过去开始并持续到现在，或与现在仍有相关性的动作或状态。
Technology has changed the way we communicate.
科技已经改变了我们沟通的方式。
EN： The term 'carbon footprint' is a common environmental metaphor used in English-speaking countries to describe the total amount of greenhouse gases produced by human activities. The word 'alike' at the end of a list is a formal way to emphasize that the statement applies equally to all mentioned groups.
中文： 「碳足跡」(carbon footprint) 是英語國家常用的環境隱喻，用來描述人類活動產生的溫室氣體總量。句尾的「alike」是一種正式用法，用來強調所述情況同樣適用於前面提到的所有群體。
EN： Gerund as Subject: The word 'adopting' is a gerund (verb + -ing acting as a noun). When a gerund phrase acts as the subject of a sentence, it is treated as a singular noun, requiring a singular verb form (e.g., 'does not').
中文： 动名词作主语：单词 'adopting' 是动名词（动词 + -ing 作为名词使用）。当动名词短语作为句子的主语时，会被视为单数名词，因此需要使用单数动词形式（例如 'does not'）。
Learning a new language opens up many opportunities.
学习一门新语言会开启许多机会。
EN： Sentence Adverbs: 'Fortunately' is a sentence adverb. These adverbs modify the entire clause that follows, expressing the speaker's attitude or opinion about the information being presented.
中文： 句子副词：'Fortunately' 是一个修饰整个句子的副词。这类副词修饰其后面跟随的整个从句，用来表达说话者对于所呈现信息的态度或观点。
Surprisingly, the project was completed ahead of schedule.
令人惊讶地，这个项目提前完成了。
EN： The passive voice 'when practiced' is a reduced adverbial clause. It omits 'they are' (referring to habits) to make the sentence more concise. This structure is common in formal writing when the subject of both clauses is the same.
中文： 被动语态 'when practiced' 是一个简化的状语从句。它省略了 'they are'（指代习惯）以使句子更简洁。当主句和从句的主语相同时，这种结构在正式写作中非常常见。
The medicine is most effective when taken after meals.
这药在饭后服用时效果最好。
EN： The phrase 'make a difference' is a common collocation meaning to have a significant effect on a person or situation. Adding adjectives like 'meaningful' or 'significant' helps specify the impact.
中文： 'Make a difference' 是一个常见的搭配，意指对人或情况产生重大影响。加入 'meaningful'（有意义的）或 'significant'（显著的）等形容词有助于具体说明其影响力。
Your donation will make a huge difference to the lives of these children.
您的捐款将对这些孩子的生活产生巨大的影响。
EN： Gerund as Subject: A gerund (verb + -ing) can function as a noun and act as the subject of a sentence. In this case, 'choosing' is the subject, and it is treated as a singular noun.
中文： 动名词作主语：动名词（动词 + -ing）可以具备名词功能并作为句子的主语。在此句中，「choosing」是主语，且在语法上被视为单数名词。
Reading books helps improve your vocabulary.
阅读书籍有助于增加你的词汇量。
EN： Past Participle as Adjective: The past participle 'sent' acts as a reduced relative clause (which is sent), modifying the noun 'waste' to describe its destination.
中文： 过去分词作形容词：过去分词「sent」在此作为简化关系从句（which is sent），修饰名词「waste」，用以描述这些废弃物的去向。
The letters sent yesterday should arrive tomorrow.
昨天寄出的信件应该明天会寄达。
EN： In many Western countries, recycling is a deeply ingrained civic duty. The mention of 'paper, plastic, and glass' reflects the standard categories for waste sorting in residential recycling programs.
中文： 在許多西方國家，資源回收是根深蒂固的公民義務。句中提到的「紙張、塑膠和玻璃」反映了住宅回收計畫中標準的垃圾分類類別。
EN： Gerunds as Subjects: The words 'using' and 'cycling' are gerunds (verb + -ing) acting as the subject of the sentence. When a verb acts as a noun to represent an activity, it must be in the gerund form.
中文： 动名词作主语：单词 'using' 和 'cycling' 是动名词（动词 + -ing），在句中担任主语。当动词用来表示一项活动并作为名词使用时，必须使用动名词形式。
Reading books helps expand your vocabulary.
阅读书籍有助于扩展你的词汇量。
EN： Instead of: This prepositional phrase is used to indicate that one person, thing, or action is being replaced by another. It is followed by a noun or a gerund.
中文： Instead of (代替/而不是)：这个介词短语用于表示某人、事或动作被另一个取代。其后接名词或动名词。
I chose tea instead of coffee this morning.
我今天早上选了茶而不是咖啡。
EN： The phrase 'play a role in' is a common collocation used to describe the part someone or something has in a process or situation. It is often modified by adjectives like 'crucial', 'vital', or 'significant'.
中文： 短语「play a role in」是一个常见的搭配，用于描述某人或某事在某个过程或情况中所起的作用。通常会加上形容词如「crucial」（至关重要的）、「vital」（极其重要的）或「significant」（显著的）来加以修饰。
Education plays a vital role in shaping a child's future.
教育在塑造孩子的未来中扮演着极其重要的角色。
EN： The preposition 'Beyond' is used here to mean 'in addition to' or 'apart from', indicating that while individual actions are important, there are other factors to consider.
中文： 介词「Beyond」在此处的意思是「除了...之外」或「不限于」，表示虽然个人行动很重要，但还有其他需要考虑的因素。
Beyond the cost, we must also consider the time required for this project.
除了成本之外，我们还必须考虑这个项目所需的时间。
EN： In modern corporate culture, the term 'sustainable practices' is often linked to ESG (Environmental, Social, and Governance) criteria, which investors use to evaluate a company's impact on the world.
中文： 在現代企業文化中，「永續實踐」一詞通常與 ESG（環境、社會和公司治理）標準聯繫在一起，投資者利用這些標準來評估企業對世界的影響。
EN： Present Perfect Tense (have/has + past participle): This tense is used to describe an action that started in the past and continues to the present, or has just been completed with relevance to the present.
中文： 现在完成时 (have/has + 过去分词)：此时态用于描述过去开始并持续到现在，或刚刚完成且与现在相关的动作。
The government has already implemented new environmental laws.
政府已经实施了新的环境法规。
EN： Gerund after 'begin': The verb 'begin' can be followed by a gerund (verb-ing) or an infinitive (to + verb) with little change in meaning, indicating the start of an activity.
中文： begin 后接动名词：动词 begin 后面可以接动名词 (V-ing) 或不定式 (to V)，意思几乎相同，表示开始某项活动。
She began working on the project last month.
她上个月开始进行这个项目。
EN： In modern corporate culture, this shift is often referred to as ESG (Environmental, Social, and Governance) initiatives, which have become a standard for evaluating a company's sustainability and ethical impact.
中文： 在現代企業文化中，這種轉變通常被稱為 ESG（環境、社會和公司治理）行動，這已成為評估公司永續發展和倫理影響的標準。
EN： The Present Perfect Tense (have + past participle) is used here to describe an action that started in the past and has a result or relevance in the present. It emphasizes the completed state of the redesign.
中文： 现在完成时（have + 过去分词）在此用于描述过去开始并对现在产生结果或关联的动作。它强调了「重新设计」这一动作已经完成的状态。
Many factories have updated their machinery to reduce energy consumption.
许多工厂已经更新了他们的机器以减少能源消耗。
EN： The Infinitive of Purpose (to + verb) is used to explain 'why' an action is performed. In this sentence, 'to use' and 'to ensure' explain the goals of redesigning the packaging.
中文： 不定式表示目的（to + 动词）用来解释「为什么」执行某个动作。在本句中，'to use' 和 'to ensure' 解释了重新设计包装的目标。
She saved money to buy a reusable water bottle.
她存钱是为了买一个可重复使用的水瓶。
EN： In modern business contexts, 'Others' often refers to competitors or other companies in the industry who are following a trend, in this case, the trend of sustainability and Corporate Social Responsibility (CSR).
中文： 在現代商業語境中，'Others' 通常指代行業內的競爭對手或其他公司，他們正追隨某種趨勢，在此指永續發展與企業社會責任（CSR）的趨勢。
EN： The Future Perfect Tense (will have + past participle) is used to describe an action that will be completed by a specific point in the future. It is often used with time expressions starting with 'by'.
中文： 将来完成时 (will have + 过去分词) 用于描述在未来某个特定时间点之前将会完成的动作。通常与以 'by' 开头的时间状语短语连用。
By next year, the company will have launched its new eco-friendly product line.
到明年，这家公司将会推出其新的环保产品线。
EN： Noun Clauses as Objects: The word 'that' introduces a subordinate clause that functions as the direct object of the verb 'predict', explaining what is being predicted.
中文： 名词性从句作宾语：单词 'that' 引导一个从属从句，该从句作为动词 'predict' 的直接宾语，说明预测的内容为何。
Scientists predict that renewable energy will become the primary power source.
科学家预测可再生能源将成为主要的电力来源。
EN： The phrase 'sustainable business practices' reflects a significant shift in corporate culture (ESG - Environmental, Social, and Governance) where companies are increasingly held accountable for their environmental impact beyond just profit.
中文： 「永續商業模式」反映了企業文化（ESG - 環境、社會和公司治理）的重大轉變，企業越來越需要對其環境影響負責，而不僅僅是追求利潤。
EN： The phrase 'In conclusion' is a transition marker used to signal the final point or summary of an argument. It is typically followed by a comma.
中文： 短语 'In conclusion' 是一个过渡标记，用于示意论点的最后一点或总结。通常后面会接逗号。
In conclusion, we must act now to protect our environment.
总之，我们现在必须采取行动来保护我们的环境。
EN： The verb 'requires' is in the present simple tense, used here to state a general truth or a necessary condition. Since 'the fight' is a singular subject, the verb takes the suffix '-s'.
中文： 动词 'requires' 使用一般现在时，在此用于陈述普遍事实或必要条件。由于 'the fight' 是单数主语，动词需加上词尾 '-s'。
Success requires hard work and dedication.
成功需要努力与奉献。
EN： The conjunction 'While' is used here to introduce a contrast or concession, similar to 'although'. It connects two clauses where the second clause provides a complementary or contrasting perspective to the first.
中文： 连词「While」在此处用于引导对比或让步从句，类似于「although」（虽然）。它连接两个从句，其中第二个从句对第一个从句提供补充或对比的观点。
While the technology is expensive, it can save us a lot of time in the long run.
虽然这项技术很昂贵，但从长远来看，它可以为我们节省大量时间。
EN： The infinitive phrase 'to drive meaningful change' functions as an adjective modifying the noun 'power'. In English, 'to + verb' can often describe the purpose or specific nature of a noun.
中文： 不定式短语「to drive meaningful change」作为形容词使用，修饰名词「power」（力量）。在英文中，「to + 动词」常用来描述名词的目的或具体性质。
She has the ability to solve complex problems quickly.
她有快速解决复杂问题的能力。
EN： In Western democratic discourse, there is a strong emphasis on the balance between top-down action (government policy) and bottom-up action (grassroots or individual efforts). This sentence reflects the cultural value that individuals have agency and responsibility in solving global issues.
中文： 在西方民主論述中，非常強調「由上而下」（政府政策）與「由下而上」（草根或個人努力）之間的平衡。這句話反映了一種文化價值觀，即個人在解決全球問題中也擁有主動權與責任。
EN： The subject 'Every decision' is followed by an infinitive phrase (to recycle, conserve..., or support...) which acts as an adjective to describe the noun 'decision'. Note that 'Every' is always followed by a singular noun and takes a singular verb ('contributes').
中文： 主语「Every decision」后接不定式短语（to recycle, conserve..., or support...），此短语作为形容词用法来修饰名词「decision」。请注意，「Every」后面必须接单数名词，且动词需使用单数形式（如本句中的 contributes）。
Every effort to improve our service leads to better customer satisfaction.
每一份改进服务的努力都能提高客户满意度。
EN： The phrasal verb 'contribute to' means to help cause or bring about something. The word 'to' here is a preposition, so it must be followed by a noun or a gerund (V-ing).
中文： 短语动词「contribute to」意为「有助于」或「促成」。这里的「to」是介词，因此后面必须接名词或动名词（V-ing）。
Regular exercise contributes to good health.
规律运动有助于身体健康。
EN： The phrase 'sustainable products' reflects a growing global consumer trend where environmental impact is a key factor in purchasing decisions, often referred to as 'conscious consumerism'.
中文： 「永續產品」(sustainable products) 一詞反映了全球日益增長的消費趨勢，即環境影響是購買決策的關鍵因素，這通常被稱為「自覺消費主義」。
EN： Mixed Conditionals (Type 2): This structure combines a past unreal condition ('If' + past perfect) with a present unreal result ('would' + base verb). It is used to express how a different action in the past would affect the current situation.
中文： 混合条件句（第二型）：此结构结合了过去非真实的假设（If + 过去完成时）与现在非真实的结果（would + 动词原形）。用于表达过去若有不同的行动，会如何影响现状。
If I had studied harder in college, I would have a better job now.
如果我大学时更努力读书，我现在就会有一份更好的工作。
EN： The Gerund as Object: The verb 'start' can be followed by a gerund (verb+ing) to indicate the beginning of an ongoing activity or habit.
中文： 动名词作宾语：动词 'start' 后面可以接动名词（V-ing），用来表示开始一项持续性的活动或习惯。
She started practicing yoga to reduce stress.
她开始练习瑜伽以减轻压力。
EN： The use of 'decades ago' in environmental discourse highlights the long-standing scientific consensus on climate change and the missed opportunities for early intervention, a common theme in global climate activism.
中文： 在環境議題的論述中，使用「幾十年前」(decades ago) 強調了科學界對氣候變遷早已達成共識，以及人類錯失了早期干預的機會，這是全球氣候行動主義中常見的主題。
EN： The 'It is + adjective + to-infinitive' structure uses 'it' as a dummy subject (placeholder) to introduce a real subject that is an infinitive phrase. This makes the sentence easier to process.
中文： 「It is + 形容词 + 不定式」结构。这里的 'it' 是形式主语（代位词），用来引导后方真正的主语（不定式短语），使句子结构更平衡且易于理解。
It is important to protect our environment.
保护我们的环境是很重要的。
EN： The phrase 'never too late to...' is a common idiomatic expression used to encourage someone that an opportunity still exists, regardless of how much time has passed.
中文： 「never too late to...」是一个常见的惯用语，用来鼓励某人无论时间过去多久，机会依然存在（永远不嫌晚）。
It is never too late to learn a new skill.
学习一项新技能永远都不嫌晚。
EN： The concept of 'future generations' is a cornerstone of environmental ethics and sustainable development, often linked to the 'Seventh Generation Principle' from Indigenous American philosophy, which suggests that decisions made today should result in a sustainable world seven generations into the future.
中文： 「後代子孫 (future generations)」的概念是環境倫理和永續發展的基石。這通常與美國原住民哲學中的「第七代原則」相關，該原則建議今天的決策應確保世界在未來七代人之後仍能永續存在。
重要单词附有 IPA 发音、定义、例句和互动式测验。
在本文中： 紧迫的、急迫的
在本文中： 不可逆转的、无法挽回的
在本文中： 过度的、过量的
在本文中： 加剧、增强
在本文中： 可持续的
在本文中： 始终如一地、一贯地
在本文中： 可再生的
在本文中： 法规、规则
在本文中： 节约、保护（资源）
在本文中： 危急的、严重的
片语包含类型标示、双语定义、用法说明和例句。
The total amount of greenhouse gases produced to directly and indirectly support human activities.
碳足迹
To have a significant effect on a person or situation.
产生影响、发挥作用
Natural fuels such as coal or gas, formed in the geological past from the remains of living organisms.
化石燃料
An action or work done by a group of people acting together.
共同努力、集体力量
Thick layers of ice covering the North and South Poles of a planet.
极地冰帽
The main factors or forces that cause a particular situation or process to happen.
主要驱动力 / 主要因素
Thinking about and beginning to deal with an issue or problem.
处理 / 应对
To provide the power or motivation for a transformation or shift to occur.
推动变革