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
What did you do?
那你们怎么办呢？
Many people were against the new freeway.
许多人反对新的高速公路。
Oh, yes, they are.
哦，对，是我的。