pb training
pb培训
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Simeon Williamson, coached by Cowan and fresh from a spell training with Asafa Powell, cruised to victory with a PB of 6.53 seconds and the 23-year-old could be the one to lead Britain's sprinting charge to 2012.
BBC: Banishing the Beijing demons
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