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
So, what would you like to do tonight?
你今晚想干些什么？
I had a hamburger and a fried chicken leg?
我吃一个汉堡包，一个炸鸡腿。
This will relieve pressure on the trains to some extent.
这将在某种程度上减轻对火车的压力。