The first clue is that the density of the human body is similar to the density of water, and what keeps us floating–other than the dog paddle–is the air in our lungs.
第一个线索是：人的身体密度近似于水的。 人能浮于水面的关键在于肺部的空气而不是靠在水中扑腾。
The capsule does not contain any chemical preparation, can be easily absorbed by human body, can build up health, and can bidirectionally adjust the bone material density and restore the bone joints.
这种胶囊不含任何化学制剂，易被人体吸收，能增强体质、能双向调节骨密度、修复骨骨关节。
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