我是女生,最好成绩14.7秒,没穿钉鞋。穿钉鞋会更快点吗? ^_^

回答: On spikes, you were able to run 13.2 secondscoach19602017-12-21 10:19:16

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要快0.4-0.6秒 -coach1960- 给 coach1960 发送悄悄话 coach1960 的博客首页 (0 bytes) () 12/21/2017 postreply 16:44:22

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