怎样才能跑得这么快呢？人类到底要进化到一个什么程度呢？
世界最快得飞人。
How can we run that fast? Where does human's evolution go?
the world fastest
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加生 順子（福岡県添田町） Kasyo Junko | |
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博尔特世界新纪录9秒69 怎样才能跑得这么快呢？人类到底要进化到一个什么程度呢？ 世界最快得飞人。 |
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Bolt's new world record 9"69 How can we run that fast? Where does human's evolution go? the world fastest |
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