
好词典

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。
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。)
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。)
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。)