plasma calcium

例句：

1. 1.The plasma calcium level in the blood is crucial for bone health.
   血液中的等离子钙水平对于骨骼健康至关重要。
2. 2. Plasma calcium levels are closely monitored during pregnancy to prevent osteoporosis.
   怀孕期间，血浆钙水平受到密切监控，以防止骨质疏松症。
3. 3.The researcher found that a diet rich in plasma calcium could help reduce the risk of heart disease.
   研究者发现，富含等离子钙的饮食有助于降低心脏病的风险。