micrite

例句：

1. 1. The micrite limestone is a type of sedimentary rock that has been formed over millions of years.
   米粒石灰岩是一种经过数百万年形成的沉积岩。
2. 2. The micrite limestone is often used as a building material due to its durability and strength.
   由于其耐用性和强度，米粒石灰岩常被用作建筑材料。
3. 3. The micrite limestone was discovered in the area where the ancient city of Rome was built.
   米粒石灰岩是在古罗马城市建造地区发现的。