Epimer
n. [化]差向(立体)异构体,差位(立体) 异构体
🗣️ 情景例句
from the old clothing of every member in the family
从每位家庭成员的旧衣服上
Don't you think it's too formal?
你不觉得太正式了吗？
But it's great! We're together most of the time.
但是好极了！大多数时间我们在一起。