1、Calcium carbonate is a calcarious compound found in many shells and rocks.
碳酸钙是一种存在于许多贝壳和岩石中的石灰质化合物。
2、The soil in this area is calcarious, which is beneficial for growing certain types of crops.
这个地区的土壤是石灰质的，对某些作物的生长非常有益。