石灰石

例句：

1. 1. The construction site was littered with large blocks of limestone.
   施工现场到处都是大块的石灰石。
2. 2. Limestone is a commonbuilding material in many parts ofthe world.
   石灰石是世界上许多地方常见的建筑材料。
3. 3. The limestone formationsare visible from the hiking trail.
   从徒步小径上可以看到石灰岩的形成。