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了你变老时患不患骨质疏松症。
The better your bone mass, the less likely you are to develop osteoporosis when you get older. According to several health websites, our bones are at their strongest between the ages of 20 to 30.
你的骨量越好，你变老时患骨质疏松...
2017.05.04 09:27:00
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