soil and rock

• 土石

soil and rock的用法和样例：

例句

1. Bituminous concrete facings for earth and rockfill.
   土石坝的沥青混凝土面层。
2. When the trail zigzagged its way out of the Caves area, the asphalt ended and dirt and rocks made it rougher.
   再后来沥青没有了，地面土石混杂，凹凸不平，却更名副其实，山间小道本该如此模样。