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大家都喜爱体育运动,通过体育锻炼提高身体素质。当你在操场上参加体育活动时,不知你有没有想过,这些活动中也有许多物理知识呢!
Everyone loves sports and improves physical fitness through physical exercise. When you participate in sports activities on the playground, I wonder if you have ever thought that there are many physical knowledge in these activities!