EN： The modal auxiliary 'could' is used here to express tentative possibility or potential in academic/formal reporting, avoiding overly absolute claims. 'Serve as' is a phrasal verb meaning to function in a particular role or capacity.
中文： 情态助动词“could”在此处用于表达推测性可能或潜在能力，为学术或新闻报道中常见的审慎表达（hedging），以避免断言过于绝对。“serve as”则是常用短语动词，意为“充当、担任……的角色或功能”。
Community centers could serve as emergency shelters during severe winter storms.
社区中心在严重的冬季风暴期间可以充当紧急避难所。
EN： The past participle phrase 'conducted in two London neighbourhoods' acts as a reduced relative clause (short for 'which was conducted in...') post-modifying the noun phrase 'a year-long field study'.
中文： 过去分词短语“conducted in two London neighbourhoods”作为后位修饰语，修饰前面的名词短语“a year-long field study”，相当于省略了“which was”的关系从句简化结构。
The clinical trial conducted across three university hospitals yielded promising results.
在三所大学附属医院进行的临床试验取得了令人振奋的结果。
EN： The idiomatic construction 'first line of defence against [noun]' originates in military strategy and is widely used metaphorically in environmental, medical, and cybersecurity contexts to describe the primary barrier protecting against a threat.
中文： 惯用语“first line of defence against...”（防范……的第一道防线）源自军事战略术语，广泛引申至环境科学、医学及信息安全领域，指用来抵御某种威胁或危害的首要屏障。
Regular handwashing remains the first line of defence against seasonal viral infections.
定期洗手仍然是防范季节性病毒感染的第一道防线。
EN： In the UK, residential architecture frequently features 'front gardens' separating houses from roads. In recent decades, many homeowners paved over these gardens to park cars ('paving over of front gardens'). This study touches on an ongoing British urban debate regarding how the loss of domestic greenery exacerbates pollution and urban heat island effects.
中文： 在英国住宅建筑中，联排房屋（terraced houses）或半独立别墅前常设有小型的「前院花园」（front garden）。近几十年来，许多居民为了停车便利将花园铺上柏油或地砖（称为「paving over」）。本研究回应了英国近年关于家庭花园绿化流失如何加剧城市空气污染及热岛效应的公共政策争议。
EN： The sentence begins with a perfect participial clause ('Having measured...'). The perfect participle ('having' + past participle) emphasizes that an action was completed prior to the action in the main clause ('found'). The logical subject of this participial phrase must match the subject of the main clause ('the research team').
中文： 句首使用了完成分词子句（'Having measured...'）。完成分词（having + 过去分词）用于强调该动作在主要子句动作（found）发生之前便已完成。此分词子句的逻辑主语必须与主要子句的主语（the research team）保持一致。
Having analyzed the data thoroughly, the committee published its final report.
在彻底分析数据之后，委员会发布了最终报告。
EN： The verb 'found' is followed by a nominal 'that'-clause serving as its direct object ('that plots with hedges and plentiful vegetation recorded the lowest levels'). Inside this noun clause, 'plots with hedges and plentiful vegetation' functions as the subject, modified by a prepositional phrase with compound noun objects.
中文： 动词「found」后接由「that」引导的名词子句作为受词（'that plots with hedges...'）。在该子句内部，「plots with hedges and plentiful vegetation」担任主语，并由带有复合受词的介系词片语「with...」修饰。
Recent studies suggest that individuals who maintain a balanced diet experience fewer health issues.
最近的研究表明，保持均衡饮食的人遇到的健康问题较少。
EN： In the UK, front gardens are an integral feature of residential streetscapes, traditionally separating houses from the pavement. However, in recent decades, many homeowners have paved over their front gardens to create off-street parking, a trend that environmentalists caution against because it accelerates surface runoff and eliminates natural vegetation that traps vehicle emissions.
中文： 在英国，前花园（front garden）是住宅街景的重要特色，传统上作为房屋与人行道之间的缓冲带。然而近年来，许多屋主为了私家车停车位而将前花园铺上水泥或砖石（paved over）。环保人士对此提出警告，指出失去天然树篱与植被会加速地表径流，并剥夺吸收道路废气的天然屏障。
EN： Sentence adverbs (viewpoint adverbs) like 'Strikingly' modify the entire clause rather than a single verb or adjective. Placed at the beginning of the sentence followed by a comma, it expresses the speaker's stance or assessment of the information—specifically highlighting how surprising or dramatic the following fact is.
中文： 像「Strikingly」这类的句子副词（观点副词）用于修饰整个子句，而非单一动词或形容词。放在句首并以逗号隔开时，能传达说话者对该讯息的评价或态度，特别用于强调后续事实的惊人或显著程度。
Remarkably, the patient made a full recovery within two weeks.
令人称奇的是，该名病患在两周内就完全康复了。
EN： 'Up to' is used as an adverbial quantifier before numbers or percentages to indicate an upper limit or maximum ceiling ('as much/many as'). Note that 'particle pollution' is an uncountable noun here, which requires the comparative quantifier 'less' rather than 'fewer'.
中文： 「up to」作为副词性修饰语置于数字或百分比前，表示上限或最高可达的程度（意为「高达……」）。此外，由于「particle pollution（悬浮微粒污染）」在此为不可数名词，因此比较级使用「less」而非修饰可数名词的「fewer」。
The new insulation can cut heating costs by up to 30% compared to traditional materials.
相较于传统建材，新型隔热材料最高可降低 30% 的暖气支出。
EN： The subordinating conjunction 'while' introduces an adverbial clause of contrast (adversative while), functioning similarly to 'whereas'. It sets two concurrent facts or trends side by side without expressing a temporal relationship.
中文： 从属连接词「while」在此引导表对比的副词从句（对比 while），功能相当于「whereas」，用于并列两项同时存在的事实或趋势进行对照，并非表示时间上的「当……之际」。
Sales of electric vehicles surged, while traditional petrol car purchases dropped sharply.
电动车的销量大幅增长，而传统燃油车的购买量则急剧下滑。
EN： In the UK, many homeowners historically paved over their front gardens to create off-street parking spaces (driveways). This trend has sparked major environmental debates concerning urban flood risks and localized air pollution, prompting environmental researchers to study the protective benefits of preserving natural lawns and hedges.
中文： 在英国，许多房主过去倾向于将前院铺上石砖或水泥改造成私人停车位（driveway）。然而，这一趋势近年来引发了关于都市内涝风险与微区域空气污染的激烈环保辩论，促使科研团队着手调查保留天然草坪与绿篱对阻挡污染的实质益处。
EN： Negative inversion: When a negative or restrictive expression like 'Not only' is placed at the beginning of a clause for emphasis, subject-auxiliary inversion occurs (auxiliary verb + subject + main verb). The correlative second clause ('but...') generally maintains normal subject-verb order.
中文： 否定倒装句：当「Not only」等否定或限制性副词短语置于句首以加强语气时，该从句的主语与助动词必须倒装（助动词 + 主语 + 原形动词）。后方对应的「but...」从句则通常维持正常的主谓语序。
Not only did the strategy reduce operational costs, but it also improved customer satisfaction.
该策略不仅降低了运营成本，还提升了顾客满意度。
EN： Participle clause expressing result/consequence: The present participle phrase ', effectively filtering...' functions as a non-finite adverbial clause, modifying the entire preceding compound clause to show an immediate outcome or resulting state.
中文： 现在分词短语作结果状语：逗号后接的「, effectively filtering...」为现在分词短语，修饰前面的整个复合句，用以表示主句动作所带来的直接结果或后续伴随状态。
The factory installed advanced scrubbers, drastically cutting emissions into the atmosphere.
该工厂安装了先进的洗涤器，大幅削减了排放至大气中的污染物。
EN： In the UK, urban domestic gardens ('front gardens' and 'back gardens') form a major portion of urban green infrastructure. Due to high vehicle emissions in densely populated cities like London, environmental science frequently explores how roadside vegetation can serve as natural biofilters, contrasting with modern trends of paving over front gardens for car parking.
中文： 在英国，住宅自带的前庭（front garden）与后院是都市绿色基盘的重要组成部分。伦敦等大城市面临严重的车辆排气污染，环境科学研究极为重视路旁植栽作为天然“生物过滤网”的价值，这也与近年民众为了方便停车而将前庭铺成水泥地的都市改建趋势形成鲜明对比。
EN： "Given that..." functions as a complex subordinating conjunction meaning "taking into account that" or "because of the fact that". It introduces an established condition, fact, or premise from which a logical conclusion or evaluation is drawn in the main clause.
中文： “Given that...”作为复合从属连接词使用，意为“考虑到……”或“鉴于……的事实”。常用于引出已知的事实、前提或客观背景，并在此基础上于主句导出逻辑推论或重要评估。
Given that renewable energy costs have fallen dramatically, investing in solar power is now economically viable.
考虑到可再生能源的成本大幅下降，投资太阳能现在在经济上切实可行。
EN： "Compared with / to..." is a reduced participial phrase used parenthetically to contrast statistics or entities. In formal English, "compared with" is traditionally preferred when highlighting concrete differences between similar items.
中文： 「Compared with / to...」为省略式的分词短语，常作为插入语用于对比数据或实体。在正式英文写作中，当需要具体突显同类事物之间的差异时，传统上更偏好使用「compared with」。
The company's profits rose by 15%, compared with a 5% decline across the wider industry.
该公司的利润增长了 15%，相比之下整个行业则下滑了 5%。
EN： The pattern "the implications for [something] are considerable" uses the formal noun "implications" (far-reaching effects/consequences) followed by the preposition "for" and the predicate adjective "considerable" (notably large or significant), expressing substantial real-world impact.
中文： 句型「the implications for [某事物] are considerable」使用正式名词「implications」（深远影响、潜在后果），后接介词「for」指明受影响对象，并搭配表语形容词「considerable」（相当大的、显著的），用以表达其具有重大的现实意义。
The implications of artificial intelligence for the labor market are considerable.
人工智能对劳动市场的潜在影响相当深远。
EN： In the UK, "domestic gardens" (especially front and back gardens of terraced or semi-detached houses) make up a surprisingly large proportion of urban green space. "Greater London" refers to the administrative area encompassing the 32 London boroughs and the City of London, while "Cardiff" is the capital city of Wales. Urban planners in the UK increasingly view private gardens as vital infrastructure for biodiversity, climate resilience, and flood control.
中文： 在英国，「domestic gardens」（私人庭院，特别是连栋透天或双拼住宅的前后庭院）占了城市绿地的极大比例。「大伦敦」指的是包含32个伦敦自治市及伦敦市的行政区域，而「卡地夫」则是威尔士的首府。当代英国城市规划者日益将私人庭院视为维护生物多样性、应对气候变化与防洪的重要基础设施。
EN： The verb 'urge' expresses recommendation or demand and triggers the mandative subjunctive in the following 'that' clause. In formal British and American English, the subjunctive uses the base form of the verb regardless of the subject (e.g., 'that incentives be introduced', omitting 'should').
中文： 动词「urge」表示强烈建议或敦促，其后接的「that」名词子句须使用祈使/虚拟语气（Mandative Subjunctive）。在正式书面语中，子句动词须使用原型动词（此处为被动式的「be introduced」，省略了情态助动词 should）。
Health officials urged that strict hygiene protocols be maintained in all public spaces.
卫生官员强烈呼吁所有公共场所均应保持严格的卫生规范。
EN： The relative clause 'which could also ease...' is non-restrictive (preceded by a comma), providing supplementary information about the whole antecedent idea ('to preserve such vegetation' or 'such vegetation'). 'Which' refers back to preserving such vegetation, functioning as the subject of the clause.
中文： 非限定关系子句「, which could also ease...」由逗号隔开，提供补充说明。在此句中，关系代名词「which」的先行词为前述的整个概念（「保留这类植被」），并在关系子句中担任主词。
The city planted more trees along the boulevards, which significantly reduced traffic noise.
该市在林荫大道旁种植了更多树木，这显著降低了交通噪音。
EN： The past participle phrase 'intensified by a warming climate' functions as a reduced relative clause (short for 'which is intensified by...') that post-modifies the noun phrase 'the summer heat'.
中文： 过去分词短语「intensified by a warming climate」作为后置修饰语，修饰前面的名词短语「the summer heat」，是由关系子句（which is intensified by...）简化而来的分词短语。
Coastal towns face growing risks from sea-level rise intensified by extreme storms.
沿海城镇面临极端风暴所加剧的海平面上升带来的日益增加的风险。
EN： In British urban ecology and policy discourse, the loss of 'front gardens' to paved driveways has become a significant environmental issue. Paving reduces drainage (increasing flood risks), elevates the urban heat island effect, and eliminates roadside air pollution barriers, leading researchers and local councils to advocate for policy incentives and green-retention mandates.
中文： 在英国城市生态与都市规划讨论中，居民为了停车将「前院花园」铺平为水泥地或柏油路面的现象已引起重大环保争议。铺面化降低雨水渗透（加剧水患风险）、加剧城市热岛效应，并消除了阻挡道路空污的天然屏障；因此学界与地方议会极力提倡以政策激励措施来维护民宅植被。
重要单词附有 IPA 发音、定义、例句和互动式测验。
在本文中： 显著地；引人注目地
在本文中： 替代品；替代方案（此处指非绿植的铺面）
在本文中： 气孔；微孔（植物叶片上的小孔）
在本文中： 气态的；气体的
在本文中： 家庭的；私人的；住宅的
在本文中： 可能的影响；后果；启示
在本文中： 相当大的；值得考虑的
在本文中： 激励措施；诱因；奖励机制
在本文中： 加剧；强化；使变强烈
片语包含类型标示、双语定义、用法说明和例句。
The primary method or measure used to protect against something harmful or undesirable.
第一道防线
A mixture of tiny solid particles and liquid droplets found in the air, harmful to human health.
颗粒物污染；悬浮微粒污染
Taking into account the fact that; considering that.
考虑到…；鉴于…
The process of designing and regulating the uses of space that focus on the physical form, economic functions, and social impacts of the urban environment.
都市规划；城市规划