Polyargyrite
杂方辉锑银矿
🗣️ 情景例句
Is that all right with everyone?
各位有意见吗？
There have been a lot of changes here in the last 20 years.
在这20年里这里有很多变化。
I asked a passenger if this was the Westhaven Express, but he had not even heard of it.
我问一位乘客，这是不是开往威斯特海温的那趟快车，他说从未听说过有这么一趟快车。