Diacetylated
二乙酰的, 二乙酰基取代了的
🗣️ 情景例句
I have to do what I can do to support him.
我就应该尽我的力量来支持他。
There's a shuttle bus we can use.
我们可搭乘机场班车。
How's everything?
一切还好吧？