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relay

relay 做朗读
首字母r尾字母y
英式'riːleɪ
美式rɪ'lɛi
高中六级考研托福雅思

relay 基本解释

n. 接替人员，替班；传递；接力赛；继电器
vt. 转播，传达；用驿马递送，使接替；分程传递

relay 词性变化

过去分词:relayed 现在分词:relaying 过去式:relayed 名词复数形式:relays 第三人称单数:relays

中文词源

relay 驿马，驿狗，接替，中转，接力

来自中古法语 relai,留下供接替的狗或其它动物，来自中法语 relaier,留下，供替换的动物， 来自 re-,向后，laier,留下，词源同 delay,可能来自拉丁语 laxare,松开，词源同 lax,relax.原指 过去打猎时在中转站放置的供接替疲劳猎狗的备用狗，或驿站供接替的马。后引申诸多词义。 由于词义与 lay 接近，拼写受到 lay 影响。

词组短语

1、relay race 接力赛

2、frame-relay 帧中继

3、torch relay 火炬接力；

4、a-c directional overcurrent relay [电] 交流方向性超流断电器

5、a-c reclosing relay [电] 交流复闭断电器

6、a-c relay [电] 交流电中继站

7、a-c time overcurrent relay [电] 交流时间超流继电器

8、accelerating conductor or relay [电] 加速导体或继电器

9、add and subtract relay [电] 加和减的继电器

10、alarm relay [电] 警报继电器

11、all relay system [电] 全中继系统

12、all-relay automatic system [计] 全继电器自动控制系统

13、american radio relay league [电] 美国无线电接转联盟

14、annunciation relay [电] 通告继电器

15、answering supervisory relay [电] 回答监视替续器

16、antenna relay [电] 天线继电器

17、antimotoring relay [电] 反电动机用电驿

18、arc interlocking relay [机] 连锁电弧继电器

19、armature relay [电] 电枢继电器

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