Stereomeride
立体异构体
🗣️ 情景例句
Now I want to ask you a few questions, if you don't mind.
如果不介意的话，现在我想问你几个问题。
I'm not myself today.
我今天心神不安。
Yes. I don't think it's necessary to buy the bigger one.
有哇。我认为没必要买较大的机子。