Pentabromoethane
五溴乙烷
🗣️ 情景例句
I have a complaint I would like to make.
我有些怨言。
Express your ideas clearly to me.
把你的构想向我说清楚。
Don't worry. But you'd better take him to the nurse, and she'll give him some pills.
放心吧。你最好带他到护士那，她会给他一些药片的。