lode ore

例句：

1. 1. The lode ore is a valuable resource for the local economy.
   矿脉是当地经济的重要资源。
2. 2.The miners were searching for lode ore in the mountains.
   矿工们在山区寻找矿脉。
3. 3.The discovery of new lode ore has sparked excitement among investors.
   新矿脉的发现引起了投资者的兴奋。