Epimer
n. [化]差向(立体)异构体,差位(立体) 异构体
🗣️ 情景例句
I would like a haircut, please.
麻烦你，我想理发。
There has been a great mistake.
发生重大的错误了。
The wagging dance meant that food was far away.
摇摆舞表示食物在远处。