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
I wonder if you could tell me.
不知你是否能告诉我。
Her parents don't approve of me and want her to forget me.
她的父母不赞成我们，想要她忘记我。
We really need that material, you know.
你知道，我们急着需要那批材料。