Indan
[化] 2,3-二氢茚; 茚满(曾称)
🗣️ 情景例句
Do you know when the bus for the Summer Palace leave?
你知道到颐和园的车几点开吗？
It wasn't any bother.I was glad to do it.
不麻烦.我乐意做。
Yes, it is.
是的，这是一支钢笔。