Photosensor
[计] 光电传感器; 光敏元件
🗣️ 情景例句
He made a pretty fortune by selling all his land.
他卖了所有的土地发了大财。
He jests at scars, that never felt a wound.
富人不知穷人苦。
That is my idea about friendship.
这是我关于友谊的看法。