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an eddy in [place]
an eddy in 后接具体水体或气流所在的位置（如 river、stream、air），表示该处出现的回流或漩涡。
An eddy in the stream caught the fallen leaf.
溪流中的一个漩涡卷住了落叶。
漩涡；涡流；旋风
先理解核心含义，再看它在真实句子里的用法。
漩涡；涡流；旋风
A circular current of water or air moving contrary to the main current; a whirlpool or whirlwind.
An eddy in the stream caught the fallen leaf.
溪流中的一个漩涡卷住了落叶。
与主流方向相反或逆向流动的空气或水流
A current of air or water running back, or in an opposite direction to the main current.
1866年基督教科学派创始人(1821-1910)
founder of Christian Science in 1866 (1821-1910)
环流；漩涡
A circular current; a whirlpool.
流体回流时形成的小漩涡或旋风
a miniature whirlpool or whirlwind resulting when the current of a fluid doubles back on itself
The boat was caught in a small eddy near the riverbank.
小船被困在河岸边的一个小漩涡里。
Leaves swirled in an eddy of wind on the street corner.
树叶在街角的一股旋风涡流中打转。
A strong eddy formed behind the rock in the stream.
小溪中的岩石后面形成了一个强大的漩涡。
an eddy in 后接具体水体或气流所在的位置（如 river、stream、air），表示该处出现的回流或漩涡。
An eddy in the stream caught the fallen leaf.
溪流中的一个漩涡卷住了落叶。
eddies of 后接物质名词（常见 water、air 等），表示该物质形成的多个小漩涡。
Eddies of mist rose from the waterfall.
雾气漩涡从瀑布上升起。
主语通常是障碍物或引起水流回流的物体；form an eddy 意为“形成漩涡”。
The bridge pillar forms an eddy in the current.
桥墩在水流中形成一个漩涡。
Not this
There is eddy in the river near the bridge.
Use this
There is an eddy in the river near the bridge.
eddy 作单数可数名词时，前面必须有冠词；汉语没有不定冠词，所以容易漏掉 an。
Not this
The fast current created many eddy behind the rocks.
Use this
The fast current created many eddies behind the rocks.
eddy 的复数是 eddies（辅音字母加 y 变 y 为 i 再加 -es）；‘many eddy’ 没有用复数，不符合语法。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
水的漩涡
A strong eddy of water can capsize a small boat.
一股强劲的水中漩涡能把小船掀翻。
风的涡流
The pilot reported a wind eddy near the mountains.
飞行员报告说山区附近有气流涡旋。
旋转的漩涡
The pond was full of swirling eddies.
池塘里满是旋转的漩涡。
形成漩涡
The sharp bend in the river forms an eddy.
河流的急转弯处形成了一个漩涡。
被卷进漩涡
The swimmer was caught in an eddy and pushed sideways.
游泳者被卷进漩涡，被推向一边。
Use eddy naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
想象一个叫埃迪（Eddy）的人在水里转圈，身后形成了回流的小漩涡——记住 eddy 就是漩涡。
语域：neutral 常见场景：水流或气流描述、自然地理与科学文本、文学描写 该词作名词表“漩涡、涡流”时，通常用于描述水流或空气流动，多出现在自然科学、地理或文学描写中，日常口语较少使用。
可数名词；复数形式为eddies。
Dictionary facts from ECDICT, WIKTIONARY.