Photocon
n. 光导元件, 光导器件, 光电导元件
🗣️ 情景例句
Why don't you call back later this afternoon?
你何不今天下午再来电话呢？
To swing
打秋千
I may be able to start a small school.
那么，我也许能够开办一个小型的学校。