好词典

eddy

UK //ˈedi//US //ˈedi//

词源

源自古英语'ed-'(回流)与'ea'(水)的组合,后受古诺尔斯语'ida'(漩涡)影响。

noun

❶ 指水流或气流中形成的小漩涡,通常由反向流动或障碍物引起,呈现旋转运动的状态。

“The leaves were caught in an eddy of the stream.”

(树叶被卷入了溪流的一个漩涡中。)

“The boat spun around in the eddy before continuing downstream.”

(小船在漩涡中打转后才继续顺流而下。)

同义词:whirlpool, vortex, swirl

verb

❶ 描述液体或气体以旋转或回旋的方式移动,形成小规模的循环运动。

“The water eddied around the rocks.”

(水流在岩石周围打转。)

“Smoke eddied up from the chimney.”

(烟从烟囱中盘旋上升。)

同义词:swirl, whirl, circulate

常见短语

eddy current — 物理学术语,指导体在变化的磁场中产生的环形电流,会导致能量损耗。

“Eddy currents can cause heating in electrical transformers.”

(涡流会导致电力变压器发热。)