钛铁矿

例句：

1. 1. The mine is richin titanium ore, whichis used in the production of high-tech electronics.
   这个矿富含钛铁矿石，用于生产高科技电子产品。
2. 2. Thetitanium orewas mined from deep withinthe earth's crust.
   钛铁矿石是从地球地壳深处开采的。
3. 3. Themining industry relies heavily on titaniumore for its raw materials.
   采矿业严重依赖钛铁矿石作为其原材料。