friable dolomite

例句：

1. 1.The friable dolomite is prone to weathering and can be easily broken.
   这种易碎的石灰石容易风化，很容易被破坏。
2. 2. The friable dolomite was used as a building material in ancient times.
   古代用易碎的石灰石作为建筑材料。
3. 3. The friable dolomite is a valuable mineral resource, but it is also prone to pollution.
   易碎的石灰石是一种宝贵的矿物资源，但它也容易受到污染。