Photosensor
[计] 光电传感器; 光敏元件
🗣️ 情景例句
Wouldn't it be a good idea to pick up your room?
你是不是考虑把自己的屋字收拾一下。
I know the boy whose father is a dentist.
我知道那个男孩的父亲是牙医。
What's the matter with him?
他怎么啦？