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单词 eddy vortex
释义

eddy /edˈi/

noun
  1. A current running back against the main stream, so causing a circular motion in the water
  2. A similarly whirling motion of smoke, mist or wind
  3. A whirlpool
  4. A whirlwind
intransitive verb (eddˈying; eddˈied)

To move round and round

ORIGIN: Cf ON itha; prob connected with OE pfx ed- back

eddy current noun

An electric current caused by varying electromotive forces which are due to varying magnetic fields, and causing heating in motors, transformers, etc (also Foucault current)

eddy vortex noun

A column of air spinning inward and upward, sometimes forming in conditions of atmospheric temperature contrast

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更新时间:2024/11/14 18:46:07