coppermith

例句：

1. 1. The mine is located in the heart of the mountain range.
   这个矿位于山脉的中心地带。
2. 2. Copper mining has been a significant industry for centuries.
   铜矿开采是几个世纪以来的一个重要行业。
3. 3. The copper mine is expected to produce more than 500 tons of copper this year.
   预计今年铜矿将生产超过500吨的铜。