Ketonization
酮基化作用
🗣️ 情景例句
What? Tell me.
什么事？ 说给我听听。
We're having a little get-together Friday night.
周五晚上我们有个小派对。
It is hard for us to realize nowadays how difficult it was for the pioneers.
我们今天很难想像昔日的登山先驱们是多么艰苦。