Methacryloyl
(=methacrylyl)異丁烯酰基, 甲(基)丙烯酰基
??? 情景例句
Family Album, U.S.A.
美國(guó)寫真集 。
Well, it really was a great honor to speak to you.
好了，能跟大家聊一聊非常榮幸。
If I were you, I'd choose this product.
如果我是你，我就選擇這種產(chǎn)品。