guide mineral

例句：

1. 1.The guide mineral was used to help the team navigate through the jungle.
   这种矿导石被用来帮助团队穿越丛林。
2. 2. The minerals in the soil are essential for plant growth.
   土壤中的矿物质对植物生长至关重要。
3. 3. The mineral deposits in the area have been studied extensively by geologists.
   该地区的矿藏已被地质学家广泛研究。