Special-purpose relay
[电] 专用继电器
🧩 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
He was more than helpful.
他不仅仅是帮忙。
It's a pencil.
那是一枝铅笔。
If you don't work, you will fail to pass the exam.
如果你不学习，你考试就会不及格。