Acetylating
v. 加乙酰基于( acetylate的现在分词 )
🗣️ 情景例句
Yeah. My new advanced exercise class.
对， 新的高级健身班。
It sucks!
好烂！
We have special river birthday parties in the summer.
夏天，我们为这条河举办特殊的生日宴会。