banded ore

例句：

1. 1. The miners were searching for the banded ore in the mountain.
   矿工们在山上寻找带纹的矿石。
2. 2.The discovery of this type of ore has revolutionized the mining industry.
   这种矿石的发现已经彻底改变了矿业行业。
3. 3.The banded ore is a valuable resource that can be used to make jewelry.
   带纹的矿石是一种宝贵的资源，可以用来制作珠宝。