Epimer
n. [化]差向(立体)异构体,差位(立体) 异构体
🗣️ 情景例句
I would like to make an appointment with...
我想和……约一下。
No herb will cure love.
想思病，无药医。
All we have to do is sign the contract.
剩下的只要签订个契约就行了。