Colusite
硫钒锡铜矿
🗣️ 情景例句
You.
你。
What are the principal farm products in this region?
在这个区域的主要的农场产品是什么？
They will be coming by train and most of the young people in the town will be meeting them at the station.
他们将乘火车来，镇上的大部分青年人将到车站迎接他们。