The record for running has been broken these days. The reason why humans run fast are the body structure optimized for sports, the structure of muscles, the body shape of the athletes and the diet. ㅠㅠㅠㅠㅠㅠㅠ
| 이 글은 8년 전 (2018/4/19) 게시물이에요 |
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The record for running has been broken these days. The reason why humans run fast are the body structure optimized for sports, the structure of muscles, the body shape of the athletes and the diet. ㅠㅠㅠㅠㅠㅠㅠ
|