Polyhydroxylation
多羟基化反应
🗣️ 情景例句
We have a baby now.
我们现在有一个小宝宝了。
There's no need!
多此一举！
Do you see that notice? It says No Camping -- in case you can't read!'
你们看到那个布告牌了吗？上面写着‘禁止野营’－－除非你们不识字！”