Pseudoindolyl
假吲哚基, 异氮杂茚基(有7种异构体)
🗣️ 情景例句
It was nice meeting you all.
很高兴见到你们一家人。
Who is that over there?
那边那个人是谁？
Girls' 100-metre race: first -- Wu Dong!
女子100米赛跑：第一名--吴东！