A 250,000-dollar donation amid lingering questioins about whether he was doping or not.

关于他是否服用禁药的疑问已经有一份250，000美元的捐赠。

Olympic officials are trying to avoid a doping scandal.

奥林匹克官员正在努力避免剂丑闻。

The trainer himself admitted doping four others.

驯马师承认还给另外4匹马也服过药。

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

体育最高法院表斯运动员服用剂的证据不足。

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，违了剂使用的规定。

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

经过国际奥委会长对斯运动员使用的调查，他们才做出这样的决定。

OK. Well, this scandal of Russian state-sponsored doping already led to Russia's track and field athletes being banned.

好。斯由国家运行的剂计划已经致斯田径队被禁赛。

You'll understand what chemists mean when they talk about " doping."

而当化学家谈论“掺杂质”的时候，你也会明白他们在讲什么。

She was being investigated by the United States Anti-Doping Agency, USADA.

她正接受美国剂机构USADA的调查。

WADA called for the ban after confirming that the Russian government worked to cover up doping among its athletes.

确认政府试图掩盖运动员使用剂一事后，WADA呼吁奥委会对斯运动员禁赛。

A committee of the World Anti-Doping Agency made the recommendation today.

世界剂机构委员会今天提出该建议。

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剂丑闻开始今天的节目。

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

奥运会运动员的剂问题不只出现在2014年。

Russia was initially given a four-year ban by the World Anti-Doping Agency.

世界剂机构最初对斯禁赛四年。

Russia was suspended last November after a report accused it of state sponsor doping.

去年11月，斯田径被指发生自上而下服药行为，并因此而遭到禁赛处罚。

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

2016年初，世界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。

In the report, former teammates admitted to doping and ways of beating drug tests.

在报告中, 前队友承认服用禁药并且混过药物测试。

Also today, a bobsledder from Italy was kicked out of the game for doping.

今天，一名意大利雪橇运动员因服用剂被逐出比赛。

The lynchpin in a baseball doping scandal plans to plead guilty in early October.

棒球剂丑闻中的关键人物计划在十月初进行认罪答辩。