Phelps is one of 12 Olympic athletes who pledged to "My Victory," an initiative launched last year by the U.S. Anti-Doping Agency aimed at keeping competitive sports clean.

据悉，菲尔普斯是12个向“我的胜利”倡议（去年由美国反兴奋剂机构发动，旨在保持竞技体育纯净性）做出承诺的奥运健儿之一。

youdao

Sports world does not tolerate doping as it is the fundamental form of cheating.

由于它是影响力大的欺骗形式，体育界是不会容忍运动员服用兴奋剂的。

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Using doping harms the health and runs counter to the principle of fair competitive in competitive sports and exercises.

在竞技运动，甚至是体育锻炼中有些人使用兴奋剂而危害健康，并违背了体育公平竞争的原则。

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The White House Office of National Drug Control Policy provided a statement about sports doping to VOA.

VOA: special.2011.04.12

David Epstein writes about sports doping for Sports Illustrated magazine.

VOA: special.2011.04.12

Anti-doping officials say they want to protect the integrity of sports by guaranteeing what they call a level playing field.

VOA: special.2011.04.12

With all the recent headline stories about sports doping, there's one you may have missed.

NPR: Anti-Doping Agency Reviews Low-Oxygen Tents

He stands accused of lying about it of defrauding us, in his testimony before a grand jury investigating high-level sports doping, about the nature of his greatness.

NEWYORKER: King of Walks

And as professionals, whose livelihood depended on results, and where testing was either non-existent or a step behind the latest advances in sports doping, it is unsurprising that so many succumbed.

ECONOMIST: The Tour de France is not dead yet