Perchloroethane
六氯乙烷
🗣️ 情景例句
How do you get to work everyday?
你每天怎样去上班？
Are you living in a dorm this term?
本学期你是住在学校宿舍吗？
There is some difference between the twins.
这对双胞胎有点儿不一样。