EN： The use of the present simple tense ('Revise') in news headlines is a standard convention to describe recent events, making the news feel more immediate and impactful than the past tense.
中文： 在新闻标题中使用一般现在时（如 'Revise'）是一种标准惯例，用于描述最近发生的事件，这比使用过去式更能让读者感受到新闻的即时性与冲击力。
Government Announces New Policy on Renewable Energy.
政府宣布可再生能源新政策。
EN： The preposition 'for' followed by a gerund ('Announcing') indicates the purpose or function of the preceding noun ('Protocol'). It explains what the protocol is designed to do.
中文： 介词 'for' 后接动名词（'Announcing'）用来表示前述名词（'Protocol'，协议）的目的或功能，说明该协议是为了什么而设计的。
They established a new system for monitoring air quality.
他们建立了一套监测空气质量的新系统。
EN： The phrase 'Beyond Earth' acts as an adjectival prepositional phrase modifying 'Intelligent Life', specifying the location or origin of the subject being discussed.
中文： 短语 'Beyond Earth'（地球之外）作为形容词性的介词短语，修饰前面的 'Intelligent Life'（智慧生命），明确指出了所讨论对象的地点或来源。
The telescope was designed to look for planets beyond our solar system.
这架望远镜旨在寻找太阳系以外的行星。
EN： The term 'Protocol' in a scientific and diplomatic context refers to a formal set of rules or procedures. In the search for extraterrestrial intelligence (SETI), these protocols are crucial because a false announcement could have profound global sociological and political consequences.
中文： 在科學與外交語境中，「Protocol」（協議/規程）是指一套正式的規則或程序。在搜尋地外文明（SETI）的領域，這些協議至關重要，因為錯誤的發布可能會產生深遠的全球社會與政治後果。
EN： The past participle phrase 'involved in...' acts as an adjective modifying the noun 'Researchers'. This is a reduced relative clause (Researchers who are involved in...).
中文： 过去分词短语「involved in...」作为形容词修饰名词「Researchers」。这是一个缩减后的关系从句（原为 Researchers who are involved in...）。
The students involved in the project received extra credit.
参与该计划的学生获得了额外学分。
EN： The present perfect tense 'have issued' is used to indicate a completed action that has relevance or impact on the present situation.
中文： 现在完成时「have issued」用于表示一个已经完成、且对现状具有关联性或影响的动作。
The government has issued a warning about the upcoming storm.
政府已针对即将到来的风暴发布了警告。
EN： The noun clause 'how scientists should handle...' functions as the object of the preposition 'on', providing specific details about the guidance.
中文： 名词从句「how scientists should handle...」作为介词「on」的宾语，提供了关于该指南的具体细节。
We need to discuss how we can improve our efficiency.
我们需要讨论如何提高我们的效率。
EN： The search for extraterrestrial intelligence (SETI) is a serious scientific endeavor. The mention of 'guidance' and 'protocols' reflects the scientific community's concern with the social and political impact of such a discovery, aiming to avoid the 'War of the Worlds' style panic.
中文： 搜尋外星智慧生物 (SETI) 是一項嚴肅的科學活動。文中提到的「指南」和「協議」反映了科學界對此類發現可能產生的社會和政治影響的關注，旨在避免類似《世界大戰》式的恐慌。
EN： The past participle phrase 'developed under the auspices of...' acts as a non-restrictive reduced relative clause, providing additional background information about the subject 'the revised protocol'.
中文： 过去分词短语「developed under the auspices of...」作为非限定性的缩减关系从句，为句子的主语「the revised protocol」提供额外的背景信息。
The new policy, implemented by the board of directors, aims to reduce operational costs.
这项由董事会实施的新政策，旨在降低运营成本。
EN： The conjunction 'while' followed by a present participle (seeking) indicates simultaneous actions or a secondary objective occurring alongside the main verb 'emphasises'.
中文： 连词「while」后接现在分词（seeking），表示与主动词「emphasises」同时进行的动作或伴随发生的次要目标。
The company focuses on innovation while maintaining a commitment to sustainability.
该公司在专注于创新的同时，也保持对可持续发展的承诺。
EN： The relative clause 'that could trigger...' uses the modal verb 'could' to express a hypothetical possibility or potential consequence of the 'premature announcements'.
中文： 关系从句「that could trigger...」使用情态助动词「could」来表达「过早发布」可能导致的假设性可能性或潜在后果。
They avoided making statements that could jeopardize the ongoing negotiations.
他们避免发表可能危及正在进行的谈判的言论。
EN： The phrase 'under the auspices of' is a formal expression used in diplomatic, academic, or institutional contexts, implying not just support but also the guidance and authority of a prestigious organization. In the context of SETI (Search for Extraterrestrial Intelligence), this highlights the shift from speculative science to a globally coordinated, formal scientific endeavor.
中文： 短語「under the auspices of」（在...的贊助/支持下）是一個正式表達，常用於外交、學術或機構場合，不僅暗示資金支持，還包含權威機構的指導與背書。在搜尋地外文明（SETI）的背景下，這凸顯了該領域正從推測性科學轉向全球協調的正式科學事業。
EN： The phrasal verb 'descend into' is used to describe a situation that gradually worsens or deteriorates into a negative state, such as chaos, madness, or violence.
中文： 短语动词「descend into」用于描述情况逐渐恶化或演变成负面状态，例如混乱、疯狂或暴力。
The peaceful protest unfortunately descended into a violent riot by nightfall.
不幸的是，这场和平抗议在入夜前演变成了暴力骚乱。
EN： The use of 'without' followed by a noun phrase functions as a conditional clause (equivalent to 'if there were no...'), setting up the hypothetical negative consequence expressed by 'could'.
中文： 使用「without」后接名词短语的功能相当于条件从句（等同于「如果没有...」），为「could」所表达的假设性负面后果设定前提。
Without your timely intervention, the project would have failed.
如果没有你及时的干预，这个项目本来会失败。
EN： The modal verb 'could' is used here to express a strong possibility or potential outcome in a hypothetical scenario, rather than past ability.
中文： 情态助动词「could」在此处用于表达假设情境中的强烈可能性或潜在结果，而非过去的能力。
Failure to follow the safety protocols could lead to serious injury.
不遵守安全协议可能会导致严重的伤害。
EN： In scientific discourse, 'cautioned' is a common reporting verb used to express professional concern or a warning about potential risks. The emphasis on a 'structured framework' reflects the academic and institutional preference for standardized protocols to ensure credibility and prevent public hysteria.
中文： 在科學論述中，「cautioned」是一個常見的報導動詞，用於表達專業上的擔憂或對潛在風險的警告。對「structured framework」（結構化框架）的強調，反映了學術和機構偏好使用標準化協議，以確保可信度並防止公眾恐慌。
EN： Apposition: A noun phrase placed next to another noun to identify or explain it. Here, 'director of the Jodrell Bank Centre for Astrophysics' identifies 'Professor Michael Garrett'.
中文： 同位语：将一个名词短语放在另一个名词旁边，用来识别或解释它。在此句中，「乔德雷尔班克天体物理学中心主任」是用来识别「迈克尔·加勒特教授」。
Dr. Smith, a leading expert in virology, published a new study.
病毒学领军专家史密斯博士发表了一项新研究。
EN： The structure 'prevent someone from doing something' is used to describe stopping an action before it happens.
中文： 结构「prevent someone from doing something」用于描述在某事发生之前阻止该行为。
The security measures are designed to prevent hackers from accessing the data.
这些安全措施旨在防止黑客存取数据。
EN： The use of 'that' as a conjunction to introduce a noun clause (content clause) acting as the object of the verb 'argued'.
中文： 使用「that」作为连词来引导名词从句（内容从句），作为动词「argued」（主张）的宾语。
She argued that the policy would lead to economic growth.
她主张这项政策将带动经济增长。
EN： The Jodrell Bank Centre for Astrophysics is a world-renowned research institute in the UK, famous for its Lovell Telescope. Mentioning such specific institutions adds scientific authority to the news report.
中文： 喬德雷爾班克天體物理學中心是英國享譽世界的科研機構，以其洛弗爾望遠鏡聞名。提及此類具體機構為新聞報導增添了科學權威性。
EN： The use of 'as + adjective + as possible' is a common structure to express the highest degree of a quality. When combined with 'remain', it describes a continuous state that should be maintained at a maximum level.
中文： 「as + 形容词 + as possible」是一个常用结构，用来表达某种性质的最高程度。当与「remain」（保持）连用时，它描述了一种应维持在最高水准的持续状态。
The company strives to be as environmentally friendly as possible.
这家公司努力做到尽可能地环保。
EN： The verb 'emphasise' (or 'emphasize') is often followed by a 'that' clause to report a statement or belief with particular force or importance. This is a hallmark of formal reporting and academic register.
中文： 动词「emphasise」（强调）之后经常接「that」引导的从句，用来以强而有力或具重要性的方式陈述某个观点或信念。这是正式报道和学术语域的标志。
The report emphasised that immediate action was required to prevent further damage.
该报告强调，需要立即采取行动以防止进一步的损害。
EN： The word 'throughout' is a preposition used here to indicate that something happens during the entire duration of a process or period of time.
中文： 「throughout」在此作为介词，用来表示某事发生在整个过程或一段时间的始终。
The museum is open throughout the year.
该博物馆全年开放。
EN： The emphasis on 'transparency' and 'public trust' reflects a significant debate in the scientific community regarding the ethics of disclosing potentially world-changing information. In high-stakes fields like SETI (Search for Extraterrestrial Intelligence), scientists balance the need for rigorous peer review with the public's right to know, aiming to avoid the 'conspiracy theory' narratives that often arise from secrecy.
中文： 對「透明度」和「公眾信任」的強調反映了科學界關於披露可能改變世界的資訊之倫理的重要辯論。在像 SETI（搜尋地外文明計劃）這樣的高風險領域，科學家們在嚴謹的同行評審需求與公眾的知情權之間取得平衡，旨在避免因保密而經常產生的「陰謀論」敘事。
EN： The structure 'strike someone as [adjective/noun]' is used to describe the impression or perception someone has of something. It suggests a subjective reaction.
中文： 结构「strike someone as [形容词/名词]」用于描述某人对某事物的印象或看法，暗示一种主观的反应。
His proposal struck me as highly impractical given the current budget.
考虑到目前的预算，他的提议让我感到非常不切实际。
EN： The conjunction 'Although' introduces a concession clause. In formal English, it is often used to contrast a common perception with a more serious or factual reality.
中文： 连词「Although」引导让步从句。在正式英语中，它常用于将普遍看法与更严肃或真实的现状进行对比。
Although the symptoms are mild, the virus remains highly contagious.
虽然症状轻微，但该病毒仍具有高度传染性。
EN： The word 'remains' functions as a linking verb here, indicating a state that continues to exist despite potential doubts or changes mentioned in the preceding clause.
中文： 「remains」在此作为系动词，表示尽管前述从句中提到可能的怀疑或变化，某种状态依然持续存在。
The identity of the donor remains a mystery to the public.
捐赠者的身份对公众来说仍然是一个谜。
EN： The sentence reflects the shift in scientific discourse regarding SETI (Search for Extraterrestrial Intelligence). Once dismissed as science fiction, it is now treated as a 'legitimate area of inquiry' due to advanced technology and the discovery of numerous exoplanets.
中文： 這句話反映了關於 SETI（搜尋外星智慧生命）科學論述的轉變。由於技術進步和大量系外行星的發現，這項曾經被視為科幻小說題材的研究，現在已被視為「合法的研究領域」。
EN： The phrase 'given (that)' is used as a preposition or conjunction meaning 'considering' or 'taking into account'. It is often used to introduce a specific fact or circumstance that influences a situation.
中文： 短语「given (that)」用作介词或连词，意思是「考虑到」或「鉴于」。它通常用于引入影响某种情况的特定事实或环境。
Given the complexity of the task, we should allocate more time for research.
考虑到这项任务的复杂性，我们应该分配更多时间进行研究。
EN： The present continuous passive ('being' + past participle) is used here to describe an ongoing action being performed on the subject (astronomical data) by an agent (myriad researchers).
中文： 现在进行时的被动语态（being + 过去分词）在此处用于描述主体（天文数据）正由执行者（无数研究人员）进行中的动作。
The old building is currently being renovated by the city council.
这栋旧建筑目前正由市议会进行翻修。
EN： The expression 'merely a matter of time' is an idiomatic phrase used to emphasize that something is certain to happen, even if the exact timing is unknown.
中文： 表达方式「merely a matter of time」是一个习语，用来强调某事肯定会发生，即使确切的时间尚不清楚。
With his talent, it is merely a matter of time before he becomes a world-class pianist.
凭借他的天赋，他成为世界级钢琴家仅仅是时间问题。
EN： The mention of 'astronomical data' and 'myriad researchers' reflects the modern era of 'Big Data' in science. In the past, astronomy relied on individual observations, but today it involves massive datasets processed by global collaborations, making the discovery of extraterrestrial life a statistical probability rather than just a dream.
中文： 提到「天文數據」和「無數研究人員」反映了科學界現代的「大數據」時代。過去，天文學依賴於個人觀測，但今天它涉及由全球合作處理的海量數據集，這使得發現外星生命成為一種統計上的可能性，而不僅僅是一個夢想。
EN： The phrase 'regarding when' uses 'regarding' as a preposition meaning 'about' or 'concerning', followed by a noun clause starting with the interrogative 'when'. This structure is common in formal academic or journalistic writing to introduce a specific topic of uncertainty or investigation.
中文： 短语「regarding when」使用「regarding」作为介词，意为「关于」或「有关」，后接由疑问词「when」引导的名词从句。这种结构在正式学术或新闻写作中非常常见，用于引入不确定或调查的具体主题。
There is a heated debate regarding how the new policy will be implemented.
关于新政策将如何实施，存在着激烈的辩论。
EN： The 'whether... or...' structure is used to express two possibilities or alternatives. In this sentence, it functions as an adverbial clause of concession, clarifying the scope of the 'uncertainty' mentioned earlier.
中文： 「whether... or...」结构用于表达两种可能性或选择。在本句中，它充当让步状语从句，用以说明前面提到的「不确定性」所涵盖的范围。
Whether you agree or not, the decision has already been made.
无论你是否同意，决定都已经做出了。
EN： The phrase 'over the course of' is a sophisticated way to say 'during' or 'throughout'. It emphasizes the duration and the progression of time within a specific period.
中文： 短语「over the course of」是「during」或「throughout」的一种更高级表达方式。它强调在特定时期内时间的持续与进程。
The company's profits grew significantly over the course of the last five years.
该公司的利润在过去五年的过程中显著增长。
EN： In scientific discourse, using words like 'acknowledged' and 'uncertainty' reflects the intellectual humility and precision required in the field. Scientists avoid absolute certainty unless evidence is definitive, especially in speculative areas like SETI (Search for Extraterrestrial Intelligence).
中文： 在科學論述中，使用「acknowledged」（承認）和「uncertainty」（不確定性）等詞彙反映了該領域所需的智識謙遜與精確性。科學家除非有明確證據，否則會避免絕對的肯定，特別是在像 SETI（搜尋地外文明）這類推測性領域。
EN： The structure 'not... but rather...' is used to correct a misconception or provide a more accurate alternative, emphasizing the second part of the contrast.
中文： 「not... but rather...」结构用于纠正误解或提供更准确的替代方案，强调对比中的后半部分（即「而是...」）。
The success was not due to luck but rather to years of hard work.
这次成功并非归功于运气，而是源于多年的努力。
EN： The past perfect continuous tense ('had not been searching') is used to describe an ongoing action that was happening up until a specific point in the past, often used here to describe the scientist's state prior to the discovery.
中文： 过去完成进行时（had not been searching）用于描述在过去某个特定时间点之前一直在进行的动作，此处用来描述科学家在发现之前的状态。
She had been studying for hours before she finally understood the concept.
在终于理解这个概念之前，她已经连续读书好几个小时了。
EN： The word 'notably' is a sentence adverb used to draw the reader's attention to a specific, important piece of information.
中文： 「Notably」是一个句子副词，用于吸引读者注意某个特定且重要的信息，通常放在句首。
Notably, the company's profits increased despite the economic downturn.
值得注意的是，尽管经济低迷，该公司的利润仍然增加了。
EN： The mention of 'protoplanetary disks' reflects the reality of modern astronomy, where significant discoveries often happen as 'byproducts' of other research. This highlights the serendipitous nature of scientific breakthroughs.
中文： 提到「原行星盤」反映了現代天文學的現實，即重大發現往往是其他研究的「副產品」。這強調了科學突破中「偶然發現」（serendipity）的本質。
EN： The phrasal verb 'stumble upon' means to discover something by chance or unexpectedly. It is often used in scientific contexts to describe serendipitous findings.
中文： 短语动词「stumble upon」意为「偶然发现」或「意外撞见」。在科学语境中，常用于描述那些并非刻意寻找却意外获得的重大发现。
While cleaning the attic, she stumbled upon a collection of rare stamps.
在清理阁楼时，她偶然发现了一批稀有的邮票。
EN： The relative adverb 'when' is used here to introduce a relative clause that modifies the noun 'moment', specifying the time or occasion being referred to.
中文： 关系副词「when」在此引导关系从句，用来修饰名词「moment」（时刻），明确说明所指的时间或场合。
There comes a point when you have to decide whether to stay or go.
总会有一个时刻，你必须决定是要留下还是离开。
EN： The passive voice construction 'is designed for' indicates the purpose or intended recipient of an object or system. 'Specifically' acts as an adverb of degree to emphasize the narrow focus.
中文： 被动语态结构「is designed for」表示某个物品或系统的用途或预定对象。「Specifically」作为程度副词，用来强调其特定的针对性。
This software is designed specifically for professional graphic designers.
这款软件是专门为专业平面设计师设计的。
EN： In scientific discourse, the term 'protocol' refers to a predefined set of rules or procedures. The emphasis on 'unforeseen moments' reflects the scientific community's concern with 'Black Swan' events—highly improbable occurrences that have massive impacts, such as the first contact with non-human intelligence.
中文： 在科學論述中，「protocol」（協議/規程）是指預先定義的一套規則或程序。文中強調「不可預見的時刻」（unforeseen moments），反映了科學界對「黑天鵝事件」的關注——即那些極其罕見但一旦發生就會產生巨大影響的事件，例如與非人類智慧生物的首次接觸。
EN： Inversion in conditional sentences (Hypothetical): When 'if' is omitted in a formal conditional sentence, the auxiliary verb (were, had, should) is moved to the beginning. 'Were such a discovery to be made' is a formal equivalent of 'If such a discovery were to be made'.
中文： 条件句中的倒装（假设语气）：在正式的条件句中，若省略连词 'if'，助动词（如 were, had, should）须移至句首。'Were such a discovery to be made' 是 'If such a discovery were to be made' 的正式写法。
Were he to resign now, the company would face a leadership crisis.
倘若他现在辞职，公司将面临领导危机。
EN： The use of 'be to + infinitive' in conditional clauses: This structure is used to emphasize a hypothetical future possibility, often implying a sense of 'if it were to happen at all'.
中文： 在条件从句中使用 'be to + 不定式'：此结构用于强调未来的假设可能性，通常带有一种「万一真的发生」的语气。
If you were to win the lottery, what would you do first?
如果你真的中了彩票，你第一件事会做什么？
EN： Correlative conjunction 'both... and...': This pair is used to emphasize that two items or qualities are being considered together, adding weight to both elements.
中文： 并列连词 'both... and...'：这对连词用于强调两个项目或特质被同时考虑，增加了两个元素的语气分量。
The project was both expensive and time-consuming.
这个项目既昂贵又耗时。
EN： The sentence reflects the high stakes of scientific communication in the modern era. In the context of SETI (Search for Extraterrestrial Intelligence), the 'protocol' refers to the 'Post-Detection Protocol', a real set of guidelines intended to manage the global impact of discovering alien life, highlighting the intersection of science, ethics, and social stability.
中文： 這句話反映了現代科學傳播的高風險性。在搜尋地外文明（SETI）的背景下，「程序」（protocol）指的是「偵測後協議」，這是一套真實存在的準則，旨在管理發現外星生命對全球的衝擊，突顯了科學、倫理與社會穩定之間的交集。
EN： The prepositional phrase 'By + -ing' is used to express the means or method by which an action is achieved. In this sentence, it functions as an adverbial modifier explaining how the guidelines achieve their aim.
中文： 介词短语「By + 动名词 (-ing)」用于表达达成某个动作的方式或手段。在本句中，它作为副词修饰语，解释了准则如何达成其目标。
By implementing stricter regulations, the city reduced its carbon emissions significantly.
通过实施更严格的法规，该城市显著降低了碳排放量。
EN： The structure 'A rather than B' is used to emphasize a preference or a factual contrast, indicating that A is the case instead of B. It often connects parallel grammatical structures.
中文： 结构「A rather than B」用于强调偏好或事实对比，表示情况是 A 而非 B。它通常连接对等的语法结构。
The decision was based on logic rather than emotion.
这个决定是基于逻辑而非情感。
EN： The passive voice construction 'is grounded in' is a formal phrasal verb meaning to be based on or firmly established on a particular foundation (evidence, facts, or principles).
中文： 被动语态结构「is grounded in」是一个正式的短语动词，意指「基于」或「牢牢建立在」特定的基础（如证据、事实或原则）之上。
His theories are grounded in years of extensive field research.
他的理论是基于多年广泛的田野调查。
EN： In the scientific community, the 'rigorous yet transparent' approach is a cornerstone of credibility. This reflects a Western academic value where peer review and public disclosure are essential to prevent pseudoscience or mass hysteria, especially regarding sensitive topics like extraterrestrial life.
中文： 在科學界，「嚴謹且透明」的方法是公信力的基石。這反映了西方學術價值觀，即同儕審查和公開披露對於防止偽科學或大眾恐慌至關重要，尤其是在涉及外星生命等敏感話題時。
重要单词附有 IPA 发音、定义、例句和互动式测验。
在本文中： 在某组织的赞助、支持或指导下
在本文中： 过早的、不成熟的（在正确时间之前发生的）
在本文中： 核实、查证的过程
在本文中： 空想的、不切实际的
在本文中： 详细检查、细致审核
在本文中： 极大量的、无数的
在本文中： 意料之外的、未预见到的
在本文中： 异常的、反常的
在本文中： 削弱、损害（尤指信心或权威）
在本文中： 严谨的、严格的
片语包含类型标示、双语定义、用法说明和例句。
To discover something by chance or unexpectedly.
偶然发现、无意中撞见
A rotating circumstellar disk of dense gas and dust surrounding a young newly formed star.
原行星盘
Based on or firmly established on something.
基于、以……为根据
Something that is certain to happen at some point in the future.
迟早的事、只是时间问题