Polyhydroxylation
多羟基化反应
🗣️ 情景例句
and then we'll figure out what to do today.
然后我们再决定今天做些什么。
My uncle is a high school principal.
我的叔叔是一位高中校长。
The more you exercise, the fitter you will be.
越运动，越健美。