论文部分内容阅读
对终日生活在城市里的现代人来说,紧张是一种共同的感受。缓解紧张的最好办法就是进行体育锻炼,但一谈到体育锻炼,人们又会面临着一个问
For modern people who live in cities all day long, tension is a common feeling. The best way to relieve tension is to exercise, but when it comes to physical activity, people will face a question