calcareous

钙质的,石灰质的英释中释adjof, containing, or resembling calcium carbonate; chalky

1 calcareous soil,石灰土

1 The more recent calcareous, or calcium carbonate, deposits that make up the tufa formations are closer to the bottom and lighter in color..钙质或碳酸钙越近现代，所构成凝灰岩地层的沉积物越靠近底部，颜色也比较浅。

2 If critters were able to control pH at their calcification sites by buffering the acid in the surrounding water, as the calcareous green algae did, they also fared better..如果这些海洋生物象富含钙质的绿藻那样，能够通过缓解周围水中的酸性来控制钙化部位的pH值，它们也可能会应对得更好一些。

3 The calcareous white stones of the river Piave constitute this land..皮亚韦河钙质的白色石头构成了这片土地。