Epimerization
差向[立体]异构(作用)
🗣️ 情景例句
The birthday dinner was held at a five-star restaurant.
生日宴会在一个五星级的宾馆里举办。
The more a man knows, the more he see his ignorance.
大智若愚。
Thank you, sir.
谢谢，先生。