Epimer
n. [化]差向(立体)异构体,差位(立体) 异构体
🗣️ 情景例句
Is that all right with everyone?
各位有意见吗？
They jumped at the unexpected noise.
他们因突如其来的声音吓得跳了起来。
The play may begin at any moment.
戏随时都有可能开始。