Mesyl
甲磺酰基
🗣️ 情景例句
We talk about him at dinner time.
我们吃晚餐时总谈起他。
Do you live in the countryside?
你在乡间里居住吗？
Yes, he's on the phone. Is he expecting you?
在家，他在打电话。他是在等你吗？