chevkinite

例句：

1. 1. The chevkinite deposits are the main source of copper in the region.
   切夫金矿矿床是该地区铜的主要来源。
2. 2. The mining company has been extracting chevkinite for decades.
   这家矿业公司几十年来一直在提取切夫金矿。
3. 3. Due to its high value, chevkinite is often mined in large quantities.
   由于其高价值，切夫金矿常被大量开采。