Epimer
n. [化]差向(立体)异构体,差位(立体) 异构体
🗣️ 情景例句
I see what you mean.
我懂你的意思。
So I will receive and sign it overnight.
那么，我明天就可以收到并且签上名了。
Neither of us spoke during the journey.
旅途中我们谁也没讲话。