泥石的

例句：

1. 1. The earth is a vast and complex system of mountains, rivers, and forests.
   地球是一个广阔而复杂的山脉、河流和森林系统。
2. 2. Rocks are formed by the erosion of other rocks.
   岩石是由其他岩石的侵蚀形成的。
3. 3. The ancient city was buried under layers of mudstone and sandstone.
   这个古老的城市被泥岩和砂岩层所埋藏。