Exiton
激子
🗣️ 情景例句
Oh, that's too bad, Robbie.
啊 ，那太遗憾了， Robbie。
Have you taken a train?
你坐过火车吗？
The study of custom can be profitable only after certain preliminary propositions have been accepted,
只有在某些基本的主张被接受下来、同时有些主张被激烈反对时，