phosphate rock

例句：

1. 1. The mine producesa significant amount of phosphate rock for fertilizer production.
   该矿生产大量磷酸盐用于肥料生产。
2. 2. The phosphate rock is mined from the seabed and used to produce fertilizers.
   磷酸盐岩石从海底开采，用于生产肥料。
3. 3. The phosphate rock is a valuable resource that contributes to soil fertility.
   磷酸盐岩石是一种宝贵的资源，有助于提高土壤肥力。