Olympic officials are trying to avoid a doping scandal.

奥林匹克官员正在努避免兴奋剂丑闻。

The decision followed a long investigation into the alleged doping of Russian athletes.

经过国际奥委会长期对俄罗斯运动员使用兴奋期的调查，他们才做出这样的决定。

The trainer himself admitted doping four others.

驯马师承认还给另外4匹马也服过药。

But the international track and field officials maintain that the doping problem in Russia goes far beyond some individual misdeeds.

但是国际田联官员坚持认为，俄罗斯的兴奋剂问题远远不止是个人的违规之举。

The World Anti-Doping Agency works to keep certain drugs out of sports.

反兴奋剂机构一向致于将某些药品拒之体育门外。

He was found guilty this week of systematic doping violations.

本周，阿尔贝托o萨拉查被裁决有罪，违反了兴奋剂使用的规定。

Sports top court says there was insufficient evidence to prove doping.

体育最高法院表示俄罗斯运动员服用兴奋剂的证据不足。

After an investigation into alleged doping, illegally taking drugs to perform better, the International Olympic Committee banned 43 Russian athletes for life.

经过反兴奋剂调查，（兴奋剂是一种违法的提高能的药物）国际奥委会宣布43名俄罗斯运动员终身禁赛。

But I spoke to the CEO of the U.S. Anti-Doping Agency who told me that all three of the drugs have performance enhancing capabilities including increasing endurance, reducing fatigue.

但我与美国反兴奋剂机构的首席执行官交谈过，他告诉我，这三种药物都具有提高成绩的能，包括提高耐，减少疲劳。

The revelation by Yuyuantantian, a media arm of China Media Group, comes from a comprehensive review of US doping scandals in the past 20 years.

这份由中央广播电视总台下属媒体“玉渊谭天”发布的调查报告，对过去20美国兴奋剂丑闻进行了全面回顾。

It follows an investigation into allegations of state-sponsored doping at the 2014 Sochi Olympic Games.

俄罗斯被指控在2014索契奥运会上支持使用兴奋剂，此项禁令紧随该调查之后。

The doping problems with Olympic athletes are not limited to the 2014 Games.

奥运会运动员的兴奋剂问题不只出现在2014。

The World Anti-Doping Agency banned use of meldonium at the beginning of 2016.

2016初，反兴奋剂组织开始禁用米屈肼。

Silicon doping involves incorporating impurities into a crystal that mess up its electron balance.

所谓硅的掺杂就是将能破坏电荷平衡的杂质混入晶体。

We begin, though with the biggest sports doping story since Lance Armstrong.

我们从始于兰斯·阿姆斯特朗的最大体育兴奋剂丑闻开始今天的节目。

It said any of its athletes found guilty of doping would have their contracts terminated.

称任何被发现服用兴奋剂的运动员都要与之终止约。

In sports, Juventus midfielder Paul Pogba has been provisionally suspended for a doping offence.

体育方面，尤文图斯中场保罗·博格巴因服用兴奋剂被暂时禁赛。

Russia's men, who won the gold medal in 2018, are almost certain to do so again (though under the Olympic flag, rather than their own, because of a doping ban).

2018获得金牌的俄罗斯男子运动员，几乎肯定会再次获得金牌（尽管是在奥运会旗帜下，而不是他们自己的旗帜下，因为有兴奋剂禁令）。

Pan's record-breaking performance on Wednesday came after having completed a rigorous doping test program, prior to and during the Paris Games, with zero positive results, which has sent out a strong statement on the improvement and integrity of Chinese swimmers.

7月31日，潘展乐在巴黎奥运会前频繁接受了严格的兴奋剂检测，检测结果全部为阴性。如此高频次的检查不仅展示了中国游泳队的高透明度，也突显了运动员们的高度配与耐心。

International Olympic Committee (IOC) president Thomas Bach on Friday called on the US Anti-Doping Agency (USADA) to respect the supreme authority of the World Anti-Doping Agency (WADA), while emphasized the IOC's full confidence in WADA.

国际奥委会（IOC）主席托马斯·巴赫上周五呼吁美国反兴奋剂机构（USADA）尊重反兴奋剂机构（WADA）的最高权威，同时强调IOC对WADA的充分信心。