EN： The Present Perfect tense ('have recovered') is used to describe an action that started or happened in the past and has relevance or visible results in the present. It contrasts with the Past Simple ('destroyed') used for an event finished at a specific time in 2022.
中文： 现在完成式（'have recovered'）用来描述过去发生且对当前具有关联或可见成果的动作。这与句子后半部用来指2022年特定过去时间点的过去简单式（'destroyed'）形成对比。
Tourist numbers have increased significantly since the new airport opened.
自新机场启用以来，游客人数大幅增加。
EN： The time phrase 'three years after...' introduces an adverbial clause of time. Notice the structure: [time duration] + 'after' + [subject + past tense verb], which specifies how much time passed after a previous event occurred.
中文： 时间短语「three years after...」引导时间副词子句。其结构为：[时间长度] + 'after' + [主语 + 过去式动词]，用来说明在前一事件发生之后经过了多少时间。
He returned home two months after the war ended.
战争结束两个月后，他回到了家乡。
EN： In 2022, the UK and Europe experienced unprecedented outbreaks of High Pathogenicity Avian Influenza (HPAI / bird flu), which devastated wild seabird populations nesting along coastal cliffs and nature reserves.
中文： 2022年，英国与欧洲爆发了前所未见的高病原性禽流感（HPAI），重创了在沿海悬崖与自然保护区筑巢的野生海鸟族群。
EN： Passive Voice in the Past Simple ('was/were + past participle'): Used when the focus is on the recipient of the action or the result, rather than the agent performing it. Here, 'was killed' focuses on the birds' fate.
中文： 过去简单时的被动语态（was/were + 过去分词）：用于将焦点放在接受动作的对象或结果，而非主动执行者。此处 'was killed' 强调燕鸥遭受扑杀或病死的命运。
Many historic trees were destroyed by the hurricane last autumn.
去年秋天，许多历史悠久的老树被飓风摧毁了。
EN： Determiner 'Every' + Singular Countable Noun: 'Every' refers to all members of a group considered individually, and it always takes a singular noun and a singular verb (e.g., 'every sandwich tern was...', not 'were').
中文： 限定词 'Every' 接单数可数名词：'Every' 指某个群体中的「每一个」个别成员，后面必须接单数名词，并搭配单数动词（如本句中的 'every sandwich tern was...'，不可用复数动词 were）。
Every student in the classroom was listening carefully.
教室里的每一位学生都在认真听讲。
EN： The 'sandwich tern' (Thalasseus sandvicensis) gets its common English name from the town of Sandwich in Kent, England, where it was first identified and described in the late 18th century. It has no connection to food sandwiches, although the town itself gave rise to both words.
中文： 「白嘴端凤头燕鸥」（Sandwich tern）的英文名称源自英格兰肯特郡的市镇「桑威奇」（Sandwich）。这种海鸟于 18 世纪末在当地首次被记录并命名。虽然它的名字与我们平时吃的「三明治」字面上完全相同，且两者词源皆来自该城镇，但鸟名纯粹是指其发现地点，与食物三明治并无关联。
EN： The present perfect tense ('has grown') is used here to describe an action that started in the past and has an important result or continuation into the present moment ('Today').
中文： 现在完成式（has grown）在此用来描述过去开始并持续影响或延续至当前时刻（Today）的动作或状态，强调与现状的关联。
The local population has increased significantly over the past five years.
在过去五年间，当地人口已显著增加。
EN： A non-defining relative clause introduced by 'which' provides supplementary, non-essential information about the preceding noun phrase ('756 breeding pairs'). It is always separated by a comma.
中文： 由 'which' 引导的非限定关系子句，用来对前面的先行词（756 breeding pairs）提供补充性资讯，前后必须以逗号隔开。
She planted ten apple trees, which produced delicious fruit last autumn.
她种了十棵苹果树，那些树在去年秋天结出了美味的果實。
EN： In ornithology and wildlife conservation reporting, bird populations are commonly counted in 'breeding pairs' rather than individual birds. This metric provides a more accurate indicator of the population's reproductive health and future recovery capacity.
中文： 在鸟类学与野生动物保育报道中，鸟类族群数量通常以「繁殖对（breeding pairs）」而非单只个体来计算。这个指标能更精准地反映该族群的繁殖健康状况及未来的复育潜力。
EN： The conjunction 'because' introduces an adverbial clause of reason ('because RSPB staff and volunteers protected...'), explaining why the main clause action ('This recovery happened') took place.
中文： 从属连词 'because' 引导原因状语从句（'because RSPB staff and volunteers protected...'），用来说明主句动作（'This recovery happened'）发生的原因。
The project succeeded because the local community supported our conservation efforts.
这个计划之所以成功，是因为当地社区支持我们的保育工作。
EN： The preposition 'across' is used here to indicate spread or coverage over an entire geographic area ('across the Solent region').
中文： 介词 'across' 在此处表示遍及或覆盖整个地理区域（'across the Solent region'，意为『遍及索伦特地区』）。
Volunteers planted trees across the valley to prevent soil erosion.
志愿者们在整片山谷各处植树，以防止土壤侵蚀。
EN： The RSPB (Royal Society for the Protection of Birds) is the UK's largest nature conservation charity, founded in 1889. The Solent is the major strait separating the Isle of Wight from the mainland of England, known for its ecologically vital wetlands and coastal bird habitats.
中文： 英国皇家鸟类保护协会（RSPB）创立于 1889 年，是英国规模最大的自然保育慈善组织。索伦特海峡是分隔怀特岛与英格兰本土的重要水域，其周边湿地与海岸线是极具生态价值的水鸟繁殖栖息地。
EN： Parallel structure (parallelism) involves using the same grammatical pattern to show that two or more ideas have the same level of importance. Here, three past simple verb phrases are joined: 'built...', 'checked...', 'and removed...'.
中文： 平行结构（Parallelism）是指使用相同的语法结构来连接两个或以上具同等重要性的概念。本句由三个过去简单式动词短语并列组成：「built...」、「checked...」以及「and removed...」。
She washed the vegetables, chopped the onions, and prepared the soup.
她洗了蔬菜、切了洋葱，并准备了汤。
EN： The infinitive of purpose ('to' + base verb) is used to express the reason or goal of an action. In this sentence, both 'to keep out foxes' and 'to create nesting space' show the purposes of building fences and removing plants.
中文： 不定词表示目的（Infinitive of Purpose，即「to + 原形动词」）用来说明采取某个动作的原因或目标。本句中的「to keep out foxes」与「to create nesting space」分别表示建造围栏与清除植物的目的。
He bought a lock to protect his bicycle.
他买了一把锁来保护他的自行车。
EN： In the UK, ground-nesting seabirds such as terns face severe threats from predatory mammals like red foxes and invasive brown rats. Conservation organizations like the RSPB routinely use predator-proof fencing and habitat clearance (vegetation management) to protect vulnerable colonies on shingle and sand beaches.
中文： 在英国，像燕鸥这样在地面筑巢的海鸟面临红狐与外来褐鼠等捕食者的严重威胁。因此，像英国皇家鸟类保护协会（RSPB）等保育机构通常会架设防掠食者围栏，并进行栖息地植被管理（清除杂草），以在卵石滩与沙滩上为海鸟保护脆弱的筑巢群落。
EN： Passive Voice in the Past Tense ('were created'): Formed by 'were' + past participle, this structure is used when the focus is on the action or the result (islands being built) rather than who built them.
中文： 过去式被动语态（were created）：由助动词「were」加上过去分词「created」构成，用于将焦点放在动作本身或其结果（岛屿被建造），而非执行动作的主体。
Several wooden shelters were built in the forest to protect hikers.
森林里建造了几处木制避难所，以保护健行者。
EN： Non-defining Relative Clause with 'where': The relative adverb 'where' introduces extra descriptive information about a place ('a salty lagoon'), set off by a comma.
中文： 使用「where」的非限定关系子句：关系副词「where」在此用于逗号之后，引导补充说明地点（「a salty lagoon」，咸水潟湖）的额外信息。
They visited the local nature reserve, where many rare birds can be seen.
他们参观了当地的自然保护区，在那里可以看到许多稀有鸟类。
EN： Avocets are distinctive black-and-white wading birds with upturned beaks. They are historically significant in the UK as the emblem bird of the RSPB (Royal Society for the Protection of Birds), symbolizing the success of wetland conservation.
中文： 反嘴鹬（avocet）是一种黑白相间、喙部向上翘起的涉禽。在英国具有特殊的象征意义，因为它正是“英国皇家鸟类保护协会”（RSPB）的标志鸟类，代表着英国湿地生态保育的成功里程碑。
EN： The conjunction 'while' is used here to introduce an adverbial clause showing contrast between two related facts (the increase in black-headed gulls versus the increase in little terns).
中文： 从属连词“while”在此处用于引导对比从句，表示“而……”，用来对照两个相关事实（红嘴鸥数量的增长对比白额燕鸥数量的增长）。
Sales increased in Europe, while they declined slightly in Asia.
欧洲的销售额有所增长，而亚洲的销售额则略有下滑。
EN： The elliptical phrase 'up from [number]' is commonly used in news and statistics to show an increase compared to a previous baseline without repeating the full verb phrase.
中文： 省略短语“up from + 数字”常出现于新闻与数据报道中，表示“高于先前的……”或“从……上升”，能避免重复动词短语，使表达更精简。
Profits reached 10 million dollars, up from 8 million last year.
利润达到了 1,000 万美元，高于去年的 800 万美元。
EN： Black-headed gulls and little terns are common coastal birds in the UK. The little tern is one of Britain's rarest breeding seabirds and has received specialized conservation efforts to protect its vulnerable beach nests.
中文： 红嘴鸥（Black-headed gull）与白额燕鸥（little tern）是英国海岸常见的鸟类。其中白额燕鸥更是英国最稀有的繁殖海鸟之一，因常筑巢于沙滩易受干扰，一直是保育机构重点保护的对象。
EN： Reporting verbs like 'explain' are often followed by a 'that'-noun clause functioning as the direct object, describing what was said or conveyed.
中文： 转述动词（如 explain）后方常接由 that 引导的名词子句作为宾语，用来说明陈述或解释的具体内容。口语中 that 有时可省略。
The scientist explained that climate change affects bird migration patterns.
科学家解释说，气候变化会影响鸟类的迁徙模式。
EN： The passive voice in the past simple ('were hit') focuses on the victims of the action rather than the cause, with 'by' introducing the agent/cause ('by bird flu').
中文： 过去简单式的被动语态（were hit，结构为 were + 过去分词），将焦点放在遭受打击的对象而非施事者，后接「by + 施事者/成因」表示打击来源。
Many coastal towns were flooded by heavy storms last winter.
去年冬天，许多沿海城镇遭到强烈风暴引发的水灾侵袭。
EN： The RSPB (Royal Society for the Protection of Birds) is the UK's largest nature conservation charity, frequently cited as an authoritative source in British news regarding wildlife and ecology.
中文： 英国皇家鸟类保护协会（RSPB）是英国规模最大的自然保育慈善组织，在英国新闻中经常作为野生动物和生态保护的权威来源被引用。
重要单词附有 IPA 发音、定义、例句和互动式测验。
在本文中： 復原、恢復（數量或健康狀態）
在本文中： （鳥類或動物的）群落、棲息群
在本文中： 摧毀、毀滅
在本文中： 疾病
在本文中： 生態系統
在本文中： 志工、志願者
在本文中： 保護、防護
在本文中： 潟湖
在本文中： 雛鳥、幼鳥
片语包含类型标示、双语定义、用法说明和例句。
A highly contagious viral infection that affects birds (also known as bird flu).
禽流感
To stop someone or something from entering a place.
阻挡在外、防止进入
A pair of animals that mate and produce offspring together.
繁殖对（一雌一雄组成的繁衍配对）
Increased compared to an earlier, lower amount or figure.
从（较低数字）上升到