nuggeting

例句：

1. 1.The miners were working hard to extract the precious metals from the earth.
   矿工们正在努力从地下提取珍贵的金属。
2. 2.The company is looking into new ways to mine for rare minerals.
   该公司正在寻找新的开采稀有矿物的方法。
3. 3. The engineer had to dig deep to find the hidden gold veins.
   工程师不得不挖得很深才能找到隐藏的金矿脉。