EN： The conjunction 'as' is used here to indicate a temporal and circumstantial relationship, equivalent to 'at the same time that' or 'in the context of'. It introduces a subordinate clause setting the background scene for the main clause.
中文： 从属连词“as”在此处引导时间与背景状语从句，相当于“随着……”或“当……之际”，用来交代主句事件发生的背景情境与脉络。
As world leaders arrived for the economic forum, public anxiety over inflation reached a new high.
随着各国领导人抵达经济论坛，大众对通货膨胀的焦虑达到了新高点。
EN： The present perfect passive construction 'have rarely been so [adjective]' uses the frequency adverb 'rarely' between the auxiliary and the past participle to emphasize historical rarity or an unprecedented degree of a state up to the present moment.
中文： 现在完成式结构“have rarely been so + 形容词”将频率副词“rarely”（鲜少、罕见）置于助动词 have 与过去分词 been 之间，用以强调自过去至今某种状态的罕见程度或近乎前所未有的低迷/高涨。
Investor confidence in the tech sector has rarely been so volatile.
投资人对科技产业的信心鲜少如此动荡不安。
EN： COP stands for 'Conference of the Parties' under UN environmental conventions. While COP is often associated in public media with climate change summits (e.g., COP28 in Dubai), there are separate COPs for the Convention on Biological Diversity (CBD). Here, COP17 refers specifically to the biodiversity treaty meeting, distinct from the climate framework.
中文： COP 代表联合国环境公约体系下的“缔约方大会”（Conference of the Parties）。大众媒体常报道与气候变化相关的 COP（例如在迪拜举办的 COP28），但联合国《生物多样性公约》（CBD）同样有自己的缔约方大会。此处的 COP17 专指生物多样性领域的高峰会，与气候变化峰会属于不同框架。
EN： The nominal relative pronoun 'what' introduces a free relative clause (fused relative construction) acting as the direct object of the transitive verb 'struck'. In this structure, 'what' functions simultaneously as both the antecedent and the relative pronoun (equivalent to 'that which' or 'the thing that').
中文： 名词性关系代词“what”引导名词子句（融合关系子句），在此作为及物动词“struck”的直接宾语。“what”在此身兼先行词与关系代词之双重功能，相当于“that which”或“the thing that”。
The committee approved what was described as an unprecedented stimulus package.
委员会批准了一项被形容为史无前例的经济刺激方案。
EN： The collocation 'strike an agreement/deal' uses the past form 'struck' to express formal consensus or treaty formation. The passive construction 'was hailed as' conveys collective, public recognition or praise by external observers.
中文： 动词搭配“strike an agreement/deal”（过去式为 struck）意为“达成协议或交易”，常见于正式政治或商业语境；搭配被动语态“was hailed as”（被赞誉……），表达外界对该协议的高度评价。
Diplomats finally struck a compromise after days of contentious debate.
外交官们在经过数天激烈的辩论后，终于达成了妥协。
EN： The infinitive clause 'to halt the destruction...' functions as an adjectival post-modifier specifying the intended purpose, scope, or mandate of the noun 'agreement'.
中文： 不定词短语“to halt the destruction...”在此作形容词后位修饰语，用来明确说明名词“agreement”（协议）的宗旨、目标或规范范围。
World leaders signed a pledge to reduce methane emissions significantly by 2030.
世界各国领导人签署了一项承诺，旨在于 2030 年前大幅减少甲烷排放。
EN： This refers to the Kunming-Montreal Global Biodiversity Framework adopted in December 2022 at COP15. It is widely considered the biodiversity equivalent of the 2015 Paris Agreement for climate change, famous for the '30x30' pledge (protecting 30% of the world's land and sea by 2030).
中文： 此处指 2022 年 12 月在 COP15 通过的《昆明-蒙特利尔全球生物多样性框架》。该框架被公认为生物多样性领域的「巴黎协定」，其中最著名的承诺为「30x30」目标，即在 2030 年前保护地球 30% 的陆地与海洋。
EN： The verb 'pledge' is followed by a to-infinitive complement ('pledged to protect...'). In a coordinated structure with multiple non-finite verbs sharing the same infinitive marker, the marker 'to' is typically expressed before the first verb ('to protect') and omitted (ellipsed) before subsequent parallel verbs ('restore', 'and tackle') for stylistic conciseness and balance.
中文： 动词「pledge」（承诺、发誓）后接不定式补语（pledged to protect...）。当多个动词形成并列平行结构时，不定式符号「to」通常只需出现在第一个动词前（to protect），其后的并列动词（restore 与 tackle）习惯省略「to」，以维持句型平衡与简洁度。
The coalition vowed to reduce carbon emissions, transition toward renewable energy, and phase out fossil fuels entirely.
该联盟誓言要减少碳排放、向可再生能源转型，并彻底淘汰化石燃料。
EN： Hyphenated compound modifiers (such as '23-point' and 'environmentally damaging') serve distinct syntactical functions. '23-point' uses a cardinal number combined with a singular count noun as a prenominal adjective (never pluralized, e.g., not *23-points deal*). Meanwhile, 'environmentally damaging' illustrates an adverb-participle compound modifier, where an '-ly' adverb modifies a present participle acting adjectivally.
中文： 连字符复合修饰语（如「23-point」与「environmentally damaging」）各自具有规范用法：「23-point」是由基数词加上单数可数名词组成的名词前置修饰语（绝不能使用复数，不可作 *23-points deal*）；而「environmentally damaging」则是由副词（-ly）修饰现在分词所构成的复合形容词，修饰随后的名词 subsidies。
The 10-year project involves technologically advanced solutions to combat soil erosion.
这项为期十年的计划采用了技术先进的解决方案来对抗土壤流失。
EN： This sentence outlines the core pillars of the landmark 'Kunming-Montreal Global Biodiversity Framework' adopted at COP15 in 2022. The goal to protect 30% of land and sea by 2030 is widely known in international environmental diplomacy as the '30x30 target'. Additionally, identifying and redirecting environmentally harmful government subsidies (such as those for fossil fuels, intensive agriculture, and overfishing) represents one of the most contentious economic battles in global conservation policy.
中文： 本句概括了 2022 年 COP15 通过的里程碑协议《昆明—蒙特利尔全球生物多样性框架》的核心支柱。其中「在 2030 年前保护全球 30% 陆地与海洋」的目标，在国际外交上被广泛称为「30x30 目标」。此外，改革并削减对环境有害的政府补贴（如对化石燃料、集约化农业与过度捕捞的财政补贴），是全球生态保育谈判中最具争议且棘手的经济议题。
EN： The absolute structure 'with + noun phrase + participle (-ing / -ed)' is used to add supplementary circumstances, background information, or attendant details to the main clause. Here, 'with the United States and the Vatican standing...' acts as an adverbial adjunct providing a qualifying contrast.
中文： 「with + 名词短语 + 现在分词／过去分词」所构成的独立复合结构，常用于为主要子句增添伴随情境、背景信息或补充说明。在本句中，「with the United States and the Vatican standing...」作为状语修饰语，补充指出例外情况。
All the participants approved the resolution, with several delegates raising minor concerns about the timeline.
所有与会者均赞同该决议，其中有几位代表对时间表提出了些许疑虑。
EN： The verb 'stand as' is an intransitive, copula-like expression meaning 'to be' or 'to act as', emphasizing status, role, or symbolic position. It elevates the register from everyday verbs like 'be' or 'remain' to formal journalistic or academic prose.
中文： 动词短语「stand as」具有类似系动词的功能，意为「作为……存在」或「处于……的地位」，用以凸显某种身份、角色或象征意义。相较于常见的「be」或「remain」，此用法属于更具正式感的书面与新闻语体。
The ancient cathedral stands as a testament to the city's architectural resilience.
这座古老的大教堂成了这座城市建筑韧性的见证。
EN： Under the UN Convention on Biological Diversity (CBD), the United States is uniquely isolated among major powers: although President Bill Clinton signed the treaty in 1993, the US Senate never ratified it due to sovereignty and intellectual property concerns. The Holy See (the Vatican) is a permanent observer state to the UN and typically does not become a party to technical multilateral environmental treaties, hence both remaining the sole non-parties to global biodiversity targets.
中文： 在联合国《生物多样性公约》（CBD）体系下，美国在大国中处于极罕见的孤立状态：尽管克林顿总统曾于1993年签署该条约，但美国参议院因主权及知识产权等政治考量始终未予批准。梵蒂冈（圣座）在联合国则具常驻观察员地位，惯例上不加入纯技术性的多边环境条约，因此两国成为全球生物多样性目标架构中仅有的未缔约方。
EN： Negative inversion occurs when a sentence begins with a negative or restrictive adverbial phrase such as 'Never before', triggering subject-auxiliary inversion ('had governments met' instead of 'governments had met'). This structure creates dramatic emphasis and is typical of formal, journalistic, or literary registers.
中文： 否定倒装句：当句子开头为否定或限制性副词片语（如「Never before」）时，主词与助动词必须倒装（即「had governments met」，而非正常语序的「governments had met」）。此结构常用于正式书面语、新闻报道或文学作品中，以增强语气与戏剧性张力。
Rarely had the committee faced such fierce opposition from the public.
该委员会鲜少面临过来自公众如此激烈的反对。
EN： The past perfect tense ('had made') is used within a content clause following 'hoped' (backshifted past tense) to indicate an event or transformation that was perceived to have occurred prior to, or led up to, the point of hoping.
中文： 过去完成式搭配宾语子句：在过去式动词「hoped」之后的名词子句中，使用过去完成式「had made」，表示在「希望」的这个时间点之前，疫情就已经促成了某种实质的改变或转机，突显时间上的先后关系。
Analysts hoped the new policy had resolved the underlying market volatility.
分析师们曾希望这项新政策已经解决了潜在的市场波动问题。
EN： The causative structure 'make + object + adjective' ('made this attempt genuinely different') expresses causing an object to be in a particular state, where 'genuinely' functions as an adverb modifying the predicative adjective 'different'.
中文： 致使结构「make + 受词 + 形容词」（made this attempt genuinely different）：表示「使某事物处于某种状态」。「genuinely」（真正地）作为副词，在此修饰受词补语形容词「different」（不同的）。
Technological advancements have made renewable energy economically viable.
技术的进步使再生能源在经济上变得切实可行。
EN： In international environmental diplomacy, 'self-imposed targets' refer to voluntary pledges nations make (such as the 2010 Aichi Biodiversity Targets, none of which were fully met globally). The reference to the Covid-19 pandemic highlights a widespread sentiment in 2020–2022 that the global health crisis, widely linked to human encroachment on natural habitats, would serve as a transformative wake-up call for planetary conservation.
中文： 在国际环境外交中，「自行设定的目标」（self-imposed targets）通常指各国自愿承诺的保护指标（例如 2010 年的「爱知生物多样性目标」，全球无一项目标完全实现）。句中提及「Covid-19 疫情」，反映了 2020 至 2022 年间国际社会的广泛思潮：人们认为这场与破坏自然栖息地息息相关的全球公共卫生危机，将成为迫使各国彻底改弦易辙、严肃对待生态保护的关键契机。
EN： The phrase 'fall short' is an idiomatic verb phrase meaning to fail to reach an expected standard or goal. Here, it is modified by the adverb 'considerably' (placed between the auxiliary and the adjective/particle or before short) and conjugated in the present perfect tense ('has fallen considerably short') to indicate an ongoing deficiency from a past point up to now.
中文： 「fall short」为惯用动词短语，意为「未达到预期标准或目标、远远不足」。在此句中，以副词「considerably」（相当地、显著地）修饰，并使用现在完成式「has fallen considerably short」，强调从过去某一特定时间点（COP15）延续至今行动依然不足的状态。
The company's quarterly revenue has fallen considerably short of analyst projections.
该公司本季度的营收远远未达到分析师的预期。
EN： The participial phrase 'raising urgent questions...' functions as a non-finite adverbial clause of result or attendant circumstance, modifying the main clause. It indicates that the inadequacy of action naturally brings about serious doubts.
中文： 现在分词短语「raising urgent questions...」作为伴随状语或结果状语修饰主要子句，说明「行动远远不足」这一事实随之带来了迫切的质疑与讨论。
The bridge collapsed during the storm, raising serious doubts about the quality of construction.
桥梁在暴风雨中坍塌，引发了对施工质量的严重质疑。
EN： The preposition 'about' introduces a noun clause headed by the conjunction 'whether' ('whether such global commitments... can ever be honoured'). This structure embeds an indirect question, exploring the feasibility of commitments being fulfilled, with 'ever' intensifying the skepticism.
中文： 介词「about」后面接由连词「whether」所引导的名词从句（间接疑问句），探讨「此类全球承诺是否能够被兑现」。其中的「ever」作为副词加强语气，突显怀疑与不确定性。
There is a heated debate about whether these ambitious emissions targets can ever be achieved.
关于这些雄心勃勃的减排目标究竟能否实现，目前存在着激烈的辩论。
EN： In international diplomacy and environmental governance, verbs like 'honour' (British spelling used in this text; US: 'honor') specifically mean to faithfully carry out or fulfill legal, moral, or treaty-based commitments. High-profile international agreements (such as the Kunming-Montreal Global Biodiversity Framework from COP15) often face skepticism because they lack binding enforcement mechanisms, frequently leading to critique that implementation 'falls short'.
中文： 在国际外交与环境治理领域，「honour」（本句采用英式拼写；美式为 honor）特指切实履行、兑现条约、协定或政治承诺。诸如 COP15 达成的昆明—蒙特利尔全球生物多样性框架等标志性协定，常因缺乏强制执行机制而受到质疑，国际媒体与非政府组织因而频繁使用「fall short」（未达目标）来批评各国政府落实不力。
重要单词附有 IPA 发音、定义、例句和互动式测验。
在本文中： 代表，出席會議的代表人員
在本文中： 低調的、不抱太高期望的、被壓抑的
在本文中： 稱讚為、譽為
在本文中： 退化、品質降低（特別指生態環境惡化）
在本文中： 補貼款、津貼
在本文中： 正式認可、簽署支持（協定或架構）
在本文中： 自行設定的、自願承擔的
在本文中： 抑制、控制、約束
在本文中： 履行、兌現（承諾或協議）
片语包含类型标示、双语定义、用法说明和例句。
To successfully negotiate and establish a formal deal or treaty
达成协议
To fail to reach the required or expected standard, amount, or goal
未达标准、不符合预期
The worldwide or local decline in the variety and abundance of plant and animal species and ecosystems
生物多样性丧失