Epimeric
差向异构体的
🗣️ 情景例句
I would be honored to be shown around your factory.
若能看一下你们工厂我将会深感荣幸。
Judge not a book by its cover.
评定一本书，不能凭封面。
Sophie, this is Hans.He is German.
索菲娅，这位是汉斯。他是德国人。