Dichloroethane
二氯乙烷
🗣️ 情景例句
She's an easy-going teacher.
她是位随和的老师。
I don't know what I should have done without your help.
要不是您的帮助，我真不知道该怎么办。
The survey revealed a large number of sources of noise that we really dislike.
这个调查显示出很大数目我们不喜欢的噪音源：