Pavonite
块硫铋银矿
🗣️ 情景例句
Is smoking allowed on the train?
火车上允许吸烟吗？
I think it's about time we got going.
我想差不多是该告辞的时候了。
But I was delighted to be able to say words that my family and a few friends could understand.
是，我却感到欣喜，能够说出我家里人和一些朋友可以理解的词语。