Selective relay
[电] 选择性继电器
🧩 词语组成解析
selective
[si'lektiv]
adj. 精心选择的;选择的，不普遍的;淘汰的;
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
You probably heard about it. We have private teachers in our holiday.
或许你已经听说过。我们交大的学生在假期间做家教。
I usually read a book to kill time.
我通常用看书来消磨时间。
Alfred stayed in the camp a week before he returned to Athelney.
阿尔弗雷德在敌营呆了一个星期后，回到了阿塞尔纳。