Bioxindol
异靛蓝
🗣️ 情景例句
Nowadays more and more people are without jobs.
现在越来越多的人失业。
This is a rather old house. It needs painting.
这房子挺旧的，得刷一下才行。
I doubted whether the story is true.
我怀疑那故事是不是真的。