calcium lead

例句：

1. 1. Themineral is essential for bone health.
   这种矿物质对于骨骼健康至关重要。
2. 2. The food industry usescalcium to make cheese and yogurt.
   食品工业使用钙来制作奶酪和酸奶。
3. 3. Thedoctor prescribed a calcium supplement for my mother's osteoporosis.
   医生为我妈妈的骨质疏松症开了钙补充剂。