Epimer
n. [化]差向(立体)异构体,差位(立体) 异构体
🗣️ 情景例句
How have you been?
你近来怎么样？
We're Killing Ourselves, in which he tries to sketch life in the year 2000.
“我们正在自杀”，在这本书中他简述了2000年的生活。
It's very difficult to see where we're going and the shower may pass in an hour or two. Let's rest and have some food.
“现在很难看到我们要去的地方。阵雨可能一两个小时就会过去，我们休息一下吃点东西。”