Pseudoindolyl
假吲哚基, 异氮杂茚基(有7种异构体)
🗣️ 情景例句
I like to study in the library because it's so quiet.
我喜欢在图书馆学习因为那儿很安静。
No matter what she says, don't get angry.
不论她说什么，你也不要生气。
This is a sceptical age,
这是一个怀疑一切的时代，