Photosensor
[计] 光电传感器; 光敏元件
🗣️ 情景例句
Well ...
好……
It seems he has a lot of funny ideas.
看起来他好像有很多有趣建议。
It is the natural frequency of emission of the hydrogen atoms in space and was discovered by us in 1951;
这个频率是空间氢原子释放的自然频率，是在1951年被人类发现的。