n.矿石，矿，矿砂

原形：ore复数：ores

Copper is abstracted from ore.
铜是从矿石中提炼出来的。
We refined gold out of the ore.
我们从矿石中提炼出黄金。
We struck a rich seam of iron ore.
我们出一个富铁矿层。
The mine yields a substantial amount of gold ore every year.
这座矿山每年出产大量的金矿石。
The ore was extracted from the depths of the earth through drilling and blasting.
矿石是通过钻探和爆破从地底深处开采出来的。
After processing, the iron ore is transformed into steel.
经过处理后，铁矿石转化为钢铁。
The quality of the ore determines its economic value.
矿石的质量决定了它的经济价值。
Copper ore is commonly found in many parts of the world.
铜矿石在世界许多地方都很常见。
The ore deposit is estimated to last for another fifty years.
矿床估计还能再开采五十年。
The smelting process separates the valuable metals from the ore.
冶炼过程将有价值的金属从矿石中分离出来。
They discovered a new vein of silver ore in the mountain.
他们在山里发现了一条新的银矿脉。
The ore was transported by train to the refining facility.
矿石由火车运送到精炼厂。
The depletion of ore resources is a major concern for the mining industry.
矿石资源的枯竭是采矿业的一大忧虑。