Vacuum relay
[电] 真空继电器
🧩 词语组成解析
relay
[rɪ'lɛi]
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;
🗣️ 情景例句
Bill Gates has created a legend in the hi-tech sector.
比尔.盖茨在高技术领域创造了一个神话。
If the old dog barks, he gives counsel.
如果老狗叫，他是给忠告。
When he died, however, his brothers found it impossible to keep the secret any longer.
他死后，他的弟弟们才觉得无法再保守这个秘密了。