钙质骨骼聚合的珊瑚,能形成礁石和岛屿。
Corals having calcareous skeletons aggregations of which form reefs and islands.
在医学研究院坚持20毫微克就足够了,但是其他专家则建议标准应该高一点以确保钙质吸收最大值和骨骼健康。
The Institute of Medicine maintains that a level of 20 nanograms is adequate, but other experts say it should be higher to assure maximum calcium absorption and bone health.
他进一步提到,“如果你没有补充足够的钙质,你的骨骼有可能会变得脆弱。”
"You wouldn't get the right amount of calcium, so you might develop weakening of your bones," he says.
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