calcareousness

例句：

1. 1. The soil is rich in calcium and phosphorus.
   土壤富含钙和磷。
2. 2. The limestone formation has been a source of wonder for centuries.
   石灰岩的形成是几个世纪以来的奇迹之源。
3. 3. The plant requires a high calcium content in its soil to grow well.
   这种植物需要高钙含量的土壤才能良好生长。