Photocathode
n. 光电阴极
🗣️ 情景例句
Let's plan an after-graduation trip!
让我们计划一次毕业后的旅行！
I read the newspaper over breakfast.
我边吃早饭边看报纸。
and however well society, and our doctors, look after us.
不管社会和医生怎样对我们进行精心照顾，