Optical relay
[电] 光继电器
🧩 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
That's fine with me. I can do it either day.
对我来说时间很适合。两天中哪一天我都可以。
Did you cut yourself?
你自己剪的？
He's fine, thanks.How's Emma?
他很好，谢谢。埃玛好吗？