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首页英语词典relayrelay英英释意

relay

英 ['riːleɪ] 美[rɪ'lɛi]

英英释义考试真题实用场景例句

vi. 转播；接替
n. [电] 继电器；接替，接替人员；驿马
vt. 转播；使接替；分程传递

英英释意

1. the act of relaying something

2. electrical device such that current flowing through it in one circuit can switch on and off a current in a second circuit