Word · Frequency #7154
estuary
河口；入海口
核心释义
A coastal water body where a river meets the sea and fresh and salt water mix.
- 1.
海洋潮汐与河水交汇的沿海水域,形成咸淡水区
A coastal water body where ocean tides and river water merge, resulting in a brackish water zone.
- 2.
河口,河流入海处的宽阔部分,淡水和海水混合。
the wide part of a river where it nears the sea; fresh and salt water mix
- 3.
由淡水河流补给的海洋入口
An ocean inlet also fed by fresh river water.
海洋潮汐与河水交汇的沿海水域,形成咸淡水区；河口,河流入海处的宽阔部分,淡水和海水混合。；由淡水河流补给的海洋入口；河口；港湾
用法In use
The city built a bird-watching platform near the estuary where the river meets the sea.
用法提示：estuary是名词，指河流与海水交汇的河口地带。
Many fish species use the estuary as a safe nursery for their young.
用法提示：estuary为单数名词，在此表示河口生态区域。
The water in the estuary becomes brackish when the tide brings in salt water.
用法提示：estuary是名词，指受潮汐影响的河口。
the estuary of [river]
The estuary of the Yangtze River is a vital ecosystem.
长江河口是一个重要的生态系统。
in/at the estuary
相关词与表达Connections
搭配Collocations
- river estuary
- 河流河口
- The river estuary is home to many species of birds.河流河口是许多鸟类的栖息地。
- tidal estuary
- 潮汐河口
- Tidal estuaries experience changes in water level twice a day.潮汐河口每天经历两次水位变化。
- estuary mouth
- 河口入口
- The estuary mouth is where the river meets the sea.河口入口是河流与大海交汇的地方。
- estuary ecosystem
- 河口生态系统
- The estuary ecosystem is sensitive to pollution.河口生态系统对污染敏感。
- coastal estuary
学习提示Learner notes
记忆技巧Memory Tip
想象东边水湾（east+uary），即河口，咸淡水交汇。
语境与语域Context & Register
register: neutral; contexts: geography, environmental science; note_zh: 通常用于地理、环境科学等学术或正式语境，日常口语中较少使用。
语法说明Grammar Note
复数形式为 estuaries。
发音与拼写Pronunciation & Spelling
These words share the spelling '-uary' but have different stressed vowels: /æ/ in January, sanctuary, statuary, actuary; /ɛ/ in February; /ɔː/ in mortuary. None rhyme exactly with estuary (/ɛstʃuɛri/).
用法优先级Usage priority
Collins 词频等级为 1，建议结合例句记忆，而不是只背中文释义。
一起学习词形
Dictionary facts from ECDICT, WIKTIONARY.