EN： A present participial phrase ('Killing more than...') functions as an adverbial clause of cause or attendant circumstance. The implied subject of the participle must logically match the subject of the main clause ('the European red fox') to avoid a dangling participle.
中文： 现在分词短语（'Killing more than...'）在此充当表示原因或伴随状况的状语修饰语。分词的逻辑主语必须与主句主语（'the European red fox'）一致，否则会构成悬垂分词（dangling participle）。
Emitting toxic fumes into the atmosphere, aging factories have been cited as a primary source of local air pollution.
由于向大气中排放有毒气体，老旧工厂被列为当地空气污染的主要来源。
EN： The present perfect passive ('has been identified as') is used to express an established consensus or formal recognition that occurred in the past and remains actively relevant to the present.
中文： 现在完成被动式（'has been identified as'）用以表示在过去已被确立、且其影响或效力持续延伸至现在的共识或认定结果。
Habitat fragmentation has been recognized as a leading factor in species decline.
栖息地破碎化已被认定为物种减少的主要因素之一。
EN： The superlative adjective 'gravest' (from 'grave', meaning extremely serious or critical) is combined with 'one of the + plural noun' ('one of the gravest threats') to single out an entity among the most critical members of a category.
中文： 形容词最高级 'gravest'（源自 'grave'，意为极其严重、严峻的）与 'one of the + 复数名词' 搭配使用，用来指称某事物属于某一类别中最严峻、最严重的成员之一。
Deforestation remains one of the gravest challenges to global biodiversity.
森林砍伐仍是对全球生物多样性最严重的挑战之一。
EN： The European red fox (Vulpes vulpes) was introduced to mainland Australia in the 1850s for recreational hunting. Because Australian native marsupials and small mammals evolved without placental mammalian predators, they lack adequate antipredator behaviors, making the fox one of the most destructive invasive pest species on the continent.
中文： 欧洲赤狐（Vulpes vulpes）于1850年代被引入澳洲大陆以供休闲狩猎之用。由于澳洲本土的有袋类与小型哺乳动物演化过程中缺乏有胎盘类掠食者，缺乏相应的避敌本能，导致赤狐成为该大陆最具破坏性的入侵有害物种之一。
EN： The non-defining relative clause 'who authored a new draft national strategy' provides parenthetical background information about the subject. Set off by commas, it does not restrict the identity of the proper noun but enriches the journalistic context before reaching the main verb.
中文： 非限定关系子句「who authored a new draft national strategy」用逗号隔开，为专有名词主语提供补充背景信息，而非限定其身份。在新闻英语中，常在主语与主要动词之间插入此类子句，以精简且密集地带出受访者的权威背景。
Dr. Aris Thorne, who led the expedition, revealed that several uncharted ruins were uncovered.
带领这次考察队的阿里斯·索恩博士透露，他们发现了几处未绘入地图的遗迹。
EN： The idiom 'lose [something] to [cause/outcome]' expresses forfeiture or deprivation resulting from a specific adverse factor or state (here, 'extinction'). Combined with the present perfect tense ('has lost'), it highlights a cumulative historical loss that directly impacts the current state of biodiversity.
中文： 短语「lose [某事物] to [原因/结果]」表示因某种不利因素或结果而失去某物（此处接「extinction」表示走向灭绝）。搭配现在完成式「has lost」，强调从过去累积至今的重大损失，对当前生态现状造成持久影响。
The coastal community has lost dozens of homes to severe erosion.
该沿海社区已有数十栋房屋因严重的侵蚀而损毁丧失。
EN： The reporting verb 'emphasized' takes a declarative content clause ('that Australia has lost...'). In formal news reporting, the complementizer 'that' is typically retained rather than omitted to clearly separate complex nominal subjects from clausal arguments.
中文： 转述动词「emphasized」后接「that」引导的名词子句（名词性从句）作为宾语。在正式新闻与学术语域中，通常不会省略连接词「that」，以确保在主语修饰成分繁复时，句意结构依然层次分明。
Economists emphasized that the recovery would require substantial structural reforms.
经济学家强调，复苏将需要实质性的结构改革。
EN： Australia has one of the worst modern mammal extinction records globally, largely driven by introduced predators like the European red fox and feral cats. Charles Darwin University (CDU), located in Darwin in the Northern Territory, is renowned for its environmental science and indigenous land management research.
中文： 澳大利亚是全球现代哺乳动物灭绝率最高的大陆之一，这主要是由于欧洲红狐和野猫等外来入侵掠食者所导致。查尔斯达尔文大学（CDU）位于北领地首府达尔文，在环境科学、热带生态保护及原住民土地管理研究方面享誉国际。
EN： Negative inversion occurs when a negative or restrictive adverbial expression (such as 'Not since...') is placed at the beginning of a clause for emphasis or dramatic effect. This triggers subject-auxiliary inversion, where the auxiliary verb precedes the subject ('has the federal government released' instead of 'the federal government has released').
中文： 否定倒装（Negative Inversion）：当否定或限制性副词短语（如「Not since...」）置于句首以加强语气时，主句须采主语与助动词倒装结构，即助动词移至主语前方（此处为「has the federal government released」，而非正常语序的「the federal government has released」）。
Not until yesterday did she realize the true extent of the problem.
直到昨天，她才意识到问题的严重程度。
EN： The conjunction 'although' introduces a subordinate concessive clause expressing contrast. It is followed by a full clause with an abstract noun subject ('scientific understanding'), a prepositional post-modifier containing a wh-infinitive phrase ('of how to combat...'), and a present perfect verb phrase modified by an adverb of degree ('has advanced dramatically').
中文： 从属连词「although」引导让步状语从句，表达对比关系。其后接完整子句，主语为抽象名词（scientific understanding），后接包含疑问词加不定式的介词修饰语（of how to combat...），谓语则为现在完成时并由程度副词修饰（has advanced dramatically）。
Although public awareness has improved, practical solutions remain underfunded.
尽管公众意识有所提高，实际的解决方案仍缺乏足够资金。
EN： In Australian policy discourse, national threat abatement plans for pests like the European red fox require periodic formal updates. Pointing out that 'not since 2008' has an update occurred highlights an administrative and political lag of over 15 years, a common critique in Australian environmental conservation reporting.
中文： 在澳大利亚的公共政策语境中，针对欧洲红狐等外来有害物种的国家威胁缓解计划依法需要定期审查与更新。文中特别以否定倒装强调「自2008年以来」就未曾更新，点出长达十余年的行政与政策停滞，这是澳洲环保新闻报道中常见的批评性论调。
EN： The absolute structure 'With + noun phrase + participle (V-ing)' functions as an adverbial of condition or attendant circumstance. Here, 'roaming' describes the active state of the '1.7 million foxes'.
中文： 「With + 名词短语 + 现在分词 (V-ing)」构成独立复合结构，在此充当伴随状况或背景条件状语。此处 roaming（漫游、游荡）表示「170 万只狐狸」主动进行的持续状态。
With millions of tourists visiting the island each year, local resources are under immense strain.
每年有数百万名游客造访该岛，使当地的资源面临巨大压力。
EN： The prepositional phrase 'upwards of' means 'more than' or 'in excess of', typically modifying large numbers or quantities to emphasize their scale in formal or journalistic contexts.
中文： 「upwards of」为介词短语，意为「超过、高达」，通常修饰庞大的数字或数量，常见于正式新闻或学术报道中，用以强调规模之大。
The renovation project is expected to cost upwards of fifty million dollars.
这项翻修工程预计耗资超过五千万美元。
EN： The clause 'that upwards of ... are killed annually' is a content clause functioning as the direct object of 'calculate'. Passive voice ('are killed') is used because the agent doing the killing (foxes) was already established in the introductory phrase, focusing the attention on the wildlife victims.
中文： 由 that 引导的名词从句担任动词 calculate 的宾语。从句内部采用被动语态（are killed），将焦点置于受害的原生野生动物上，而施害者（狐狸）已在句首状语中清楚点明。
Biologists warn that thousands of sea turtles are caught accidentally every season.
生物学家警告，每个季节都有数千只海龟遭到意外误捕。
EN： Introduced to Australia in the 1850s for recreational hunting, the European red fox quickly established itself across the continent, severely disrupting native ecosystems that evolved in the absence of placental mammalian predators.
中文： 欧洲赤狐于 1850 年代被引进澳洲，主要用于传统休闲猎狐活动。由于澳洲本土演化体系长期缺乏大型有胎盘类哺乳肉食动物，赤狐极快扩散至整个大陆，对当地原生有袋类动物与鸟类造成毁灭性冲击。
EN： The sentence begins with a present participle phrase ('Conceding that...') acting as an adverbial modifier of concession/reason. The implicit subject of the participle is 'the draft', which performs the action of conceding before introducing the main clause action.
中文： 句子以现在分词短语「Conceding that...」（承认……）开头，在此充当让步或背景说明的状语修饰语。分词的逻辑主语与主句主语一致，即「the draft」（草案）。这种分词构句能精简句型，常见于正式书面语与新闻报道。
Acknowledging that resources were limited, the committee prioritized the most urgent community projects.
委员会承认资源有限，优先处理最迫切的社区项目。
EN： The adverb 'instead' is used as a conjunct to show contrast or substitution with the preceding concessive clause, emphasizing that realistic targeted interventions are adopted rather than total eradication.
中文： 副词「instead」（反之、转而）放在主语与主要动词之间，作为转折连接副词，用以对比前述被否决的理想方案（彻底根除），强调改采务实的替代行动（具体保护措施）。
He decided not to buy a new car, choosing instead to repair his old one.
他决定不买新车，转而选择修理旧车。
EN： The prepositional phrase 'most at risk' functions as a postpositive adjective modifier (reduced from 'which are most at risk'), modifying the preceding noun phrase 'those native animals'.
中文： 介词短语「most at risk」（面临最高风险的）在此作为后置修饰语，修饰前面的名词短语「those native animals」，相当于省略了关系代词与系动词的从句（which are most at risk）。
The government launched vaccination clinics to protect individuals most at risk of severe illness.
政府设立了疫苗接种诊所，以保护重症风险最高的人群。
EN： In environmental policy and conservation in Australia, the shift from total 'eradication' (completely wiping out an invasive species) to 'targeted control/management' reflects pragmatic realism. Given the continent's vast geographical scale and massive feral fox population, extermination is biologically and economically impossible.
中文： 在澳大利亚的环境政策与生态保育脉络中，从「彻底根除」（eradication）转向「针对性控制」（targeted control/measures），反映了政策制定上的务实主义。由于澳洲国土辽阔且外来赤狐数量庞大，试图全面消灭在生物学与经济成本上皆不可行，因此保育重点转向优先保护高濒危物种。
重要单词附有 IPA 发音、定义、例句和互动式测验。
在本文中： 極其嚴重的；令人擔憂的
在本文中： 絕種，滅絕
在本文中： 對抗；打擊；遏制
在本文中： 漫步；遊蕩；到處走動
在本文中： 在……以上；超過
在本文中： （勉強）承認；讓步
在本文中： 根除；消滅
在本文中： 概述；描繪……的輪廓
片语包含类型标示、双语定义、用法说明和例句。
An introduced organism that overpopulates and harms its new environment.
外來入侵物種
In danger or vulnerable to threat, harm, or extinction.
面臨危險的；處於受威脅狀態的
Actions or policies specifically aimed at addressing a particular group, area, or problem.
針對性措施