Chloracrylic acide
[建] 氯丙烯酸
??? 情景例句
What are you up to?
你呢？你怎樣？
He has left already .
他已經(jīng)離開了。
What a mess! There was pastry on my fingers, on the telephone, and on the doorknobs.
真是糟糕透了！我的手指上、電話機上以及門的把手上，都沾上了面糊。