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
All right.
好的。
I always answer Harmony in the department.
我总是回答说是部门的和谐。
When they arrived, he said: Welcome to our factory! Please come this way. Don't rush.
“欢迎参观我们厂！请走这边。别急。”