burned dolomite

例句：

1. 1. The mineral isused in construction and as a building material.
   这种矿物用于建筑和作为建筑材料。
2. 2. Thelimestone was burnt during the volcanic eruption.
   石灰石在火山喷发期间被烧过。
3. 3. Theburned dolomite is now being usedfor road construction.
   烧过的石灰石现在被用于道路建设。