Indolyl
[化] 吲哚基(有7种异构体)
🗣️ 情景例句
Don't feed the bears.
不要给熊喂食。
How long will you remain here?
你将会在这里逗留多久？
Most of the earth's surface is covered by water.
大部分的地球表面被水覆盖着。