Diffractometers
(diffractometer 的复数) n. [光] 衍射计
🗣️ 情景例句
Well, good night.
好吧， 晚安。
It is better to fight for good than to rail at the ill.
与其抱怨，不如积善。
But there are some parts of the word where even now people cannot write.
但直到现在，世界上有些地方，人们还不会书写。