Photosensor
[计] 光电传感器; 光敏元件
🗣️ 情景例句
Richard and Marilyn bought it for me for my birthday.
这是Richard和Marilyn送给我的生日礼物。
This man digs foundations for skyscrapers.
这个人在挖着高层大楼的地基。
Once in a while sailors came down, Kunta thought, to carry sick men upstairs for treatment.
偶尔水手下来，孔塔猜想是把生病的人抬上去进行治疗。