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
It was a pretty dumb thing to do.
做那件事真傻。
The only feasting I do these days is in my dream.
这几天我只能在梦中享受山珍海味了。
My secretary can start on it right away.
我的秘书现在就要可以打。