Epimerization
差向[立体]异构(作用)
🗣️ 情景例句
beat its rival Horace Mann in baseball today ...
在今天的棒球赛中打败了对手Horace Mann队。
He who makes no mistakes, makes nothing.
不犯错，将一事无成。
Hello. You must be Dr Yang. How do you do? My name's David Lee.
嗨。你一定是杨博士吧。您好！我是大卫·李。