可可新闻脱口秀 第38期:小心!不锻炼成全球第四大死因
日期:2014-08-25 09:59

(单词翻译:单击)

We all know that exercises make us stronger, but do you know that lack of exercises may kill us? According to World Health Organization, physical inactivity is the 4th biggest cause of death. Do you exercise enough?

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