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
We are running a special offer on this holiday.
我们在这个假期有个特价优惠。
No one can remember what it is like to be born.
没有人能够记得诞生时的样子。
I was doing my homework and forgot the time.
我在做家庭作业，忘记了时间。