Pseudoindolyl
假吲哚基, 异氮杂茚基(有7种异构体)
🗣️ 情景例句
Special for new friends.
特地为新朋友准备的。
Look for a needle in a bundle (or bottle) of hay.
海底捞月。
There are rare instances when justice almost ceases to be an abstract concept.
在个别情况下，正义不再是一种抽象概念。