1
a wetland
wetland 是可数名词，指一片具体的湿地。
The delta is a wetland that supports rare birds.
这片三角洲是一块养育珍稀鸟类的湿地。
湿地；沼泽地
wetlands — plural of wetland
先理解核心含义，再看它在真实句子里的用法。
湿地；沼泽地
a low area of land that is permanently saturated with water, such as a marsh or swamp
The delta is a wetland that supports rare birds.
这片三角洲是一块养育珍稀鸟类的湿地。
土地被水饱和的低洼地区
a low area where the land is saturated with water
The wetland is home to many rare birds.
这片湿地是许多珍稀鸟类的家园。
Wetlands help prevent flooding by absorbing rainwater.
湿地通过吸收雨水来帮助防止洪水。
Farmers are not allowed to build factories on the wetland.
农民不得在湿地上建造工厂。
wetland 是可数名词，指一片具体的湿地。
The delta is a wetland that supports rare birds.
这片三角洲是一块养育珍稀鸟类的湿地。
泛指湿地这类生态系统时，用不带冠词的复数形式 wetlands。
Wetlands help filter water and prevent flooding.
湿地有助于过滤水体并防止洪水。
wetland 作定语修饰名词时用单数，如 wetland bird（水鸟）。
Wetland ecosystems are among the most productive on Earth.
湿地生态系统是地球上生产力最高的生态系统之一。
Not this
There are many wetland in China.
Use this
There are many wetlands in China.
wetland 是可数名词，复数形式为 wetlands；在 many、several 等词后必须用复数。
Not this
The wetlands is an important habitat for birds.
Use this
The wetlands are an important habitat for birds.
wetlands 是复数主语，谓语动词应用 are；汉语没有主谓一致的变化，受汉语影响容易漏掉复数动词变化。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
湿地栖息地
Many bird species depend on wetland habitat for breeding.
许多鸟类物种依赖湿地栖息地繁殖。
湿地生态系统
The wetland ecosystem supports a wide variety of plants and animals.
湿地生态系统支持多种多样的动植物。
湿地保护
Wetland conservation is essential for flood control and biodiversity.
湿地保护对防洪和生物多样性至关重要。
沿海湿地
Coastal wetlands protect shorelines from storm damage.
沿海湿地保护海岸线免受风暴破坏。
湿地恢复
The project focuses on wetland restoration after years of drainage.
该项目专注于排水多年后的湿地恢复。
保护湿地
We must protect wetlands for future generations.
我们必须为子孙后代保护湿地。
Use wetlands naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
记忆联想：wet（湿）＋land（地）＝湿地，想象一片湿润的土地。
语域：neutral 常见场景：environmental science、ecology、news reporting wetland 是中性常用词，多出现在生态、地理或环保报道等书面语境中；日常口语里较少使用。
These words all rhyme with the final syllable 'land' of 'wetland' (pronounced /lænd/). Note that the first syllable 'wet' (/wɛt/) is not shared. Lookalikes like 'wand' (/wɒnd/) or 'wind' (/wɪnd/) have different vowel sounds and do not rhyme.
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.