采矿

例句：

1. 1. The company is currently engaged in mining operations in the region.
   该公司目前正在该地区进行采矿作业。
2. 2. Mining has become a major industry in this country.
   采矿业已成为这个国家的主要产业。
3. 3.The mine was closed due to safety concerns after several accidents.
   由于安全担忧，该矿场在发生几起事故后关闭。