铁矾土

例句：

1. 1. The iron ore was extracted from the riverbed with a large machine.
   巨大的机器从河床上提取了铁矿石。
2. 2. The iron ore is used to make steel and other metals.
   铁矿石用于制造钢铁和其他金属。
3. 3. The iron ore mine is located in the mountains, providing a rich source of raw materials.
   铁矿矿位于山区，提供了丰富的原材料资源。