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人们都知道体育锻炼对身体有益,但是锻炼究竟对身体产生什么样的作用呢?美国专家对此进行了十多年的科学研究,总结出体育锻炼的六大益处。
People all know that physical exercise is beneficial to the body, but what kind of effect does the exercise have on the body? U.S. experts conducted more than a decade of scientific research to sum up the six major benefits of physical exercise.