Chlorohydrocarbon
氯代烃, 含氯烃
🗣️ 情景例句
The advanced exercise class is not so easy, huh?
高级健身班不是那么容易吧， 对不对？
He is supposed to be there on time.
按理说他应该准时到那儿。
Of course, you are.
你当然参加啦 。