Bismutite
泡铋矿
🗣️ 情景例句
I speak fairly good English and I enjoy meeting different kinds of people.
我的英语讲得很流利，而且我喜欢接触不同的人。
It's December.
现在是十二月。
It was not yet light, so it was easy to stay hidden.
天还没亮，所以很容易隐蔽。