Methacryloyl
(=methacrylyl)异丁烯酰基, 甲(基)丙烯酰基
🗣️ 情景例句
What's gotten into him?
他怎么搞的？
Do you speak English?
你会说英语吗？
Mr Brain has just heard Zheng Jie playing the piano in a concert.
布雷恩先生刚听了郑杰在音乐会上的钢琴演奏。