blue lead-ore

例句：

1. 1.This blue lead-ore is a valuable resource for the mining industry.
   这种蓝色铅锌矿是矿业的宝贵资源。
2. 2.The blue lead-ore was mined from deep in the earth's crust.
   这种蓝色铅锌矿是从地壳深处开采出来的。
3. 3.The blue lead-ore has been used in various industries for centuries.
   这种蓝色铅锌矿已经使用了好几个世纪了。