Diffractometers
(diffractometer 的复数) n. [光] 衍射计
🗣️ 情景例句
Well, it was great to see you again. Let's not wait this long next time.
可以再见到你真是太好了，希望我们下次见面不用等这么久。
Reason rules all things.
情理管万事。
At that moment Lucy came into the library.
正在那时候，露茜走进图书馆。