calcibilia

例句：

1. 1.The bone density of the elderly is often lower than that of younger people.
   老年人的骨密度通常比年轻人低。
2. 2. The doctor prescribed a calcium supplement for my mother to help her recover from her fracture.
   医生为我妈妈开了钙补充剂，帮助她从骨折中恢复过来。
3. 3. Calcium is essential for bone health and can be found in dairy products, leafy greens, and other foods.
   钙对骨骼健康至关重要，可以在奶制品、绿叶蔬菜和其他食物中找到。