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[高清字幕]Health Report - New Material Might Protect Bones From Breaking

来源:慢速英语   时间:2014-04-09 09:37:56

Health Report - New Material Might Protect Bones From Breaking

Armourgel is a combination of two new, man-made materials. The product might help older people who are in danger of breaking bones if they fall.

 

 

 

 

 

 

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