Epimerization
差向[立体]异构(作用)
🗣️ 情景例句
That's not what I had in mind.
我想要的可不是这个。
Yes,I had breakfast two hours ago.
是,我2小时以前吃了早餐。
Anyhow, I'll see you next week.
无论如何，我下星期会见你的。