calicim cyanoplatinite

例句：

1. 1. The construction site was covered in a layer of limestone dust.
   施工现场覆盖着一层石灰石粉尘。
2. 2. The limestone formations are famous for their unique beauty.
   石灰岩的形成以其独特的美丽而闻名。
3. 3.The limestone quarry is located near the river, providing a scenic backdrop for tourists.
   石灰岩采石场位于河边，为游客提供了美丽的背景。