red arsenic ore

例句：

1. 1. The red arsenic ore is highly valued for its medicinal properties.
   这种红砷矿石因其药用性质而备受珍视。
2. 2.The mine produces high-quality red arsenic ore, which is used in the production of many industrial chemicals.
   该矿生产高质量的红砷矿石，用于生产许多工业化学品。
3. 3. Due to its unique color and chemical composition, red arsenic ore has been used in ancient times as a dye.
   由于其独特的颜色和化学成分，红砷矿石在古代被用作染料。