Photonphysics
光子物理学
🗣️ 情景例句
Well, it's small, but clean.
噢， 它是小了点， 但是干净。
Please don't make a smell in the house with your cigar.
请不要在屋子里散布雪茄的气味吧。
There is a river in the picture.
画里面有一条河。