British officials said they added radioactive polonium to his tea.

英国官员称他二人在利特维年科茶中放入放射性元素钋。

Inside that little sphere of plutonium is an even tinier sphere of polonium and beryllium.

在那小小的钚球体里是一个更小的钚和铍球体。

And he was poisoned by radioactive polonium. He died the slow agonizing death in 2006.

他被放射性元素钋毒杀。在2006年缓慢又痛苦地死去。

Mr Litvinenko died after drinking tea laced with radioactive polonium in a hotel in London in 2006.

2006年，利特维年科在伦敦一家酒店饮下掺放射性钋的茶而身亡。

In 1911 Marie received her second Nobel Prize—this time in chemistry, for her discoveries of radium and polonium.

在1911年，玛丽第二次获得诺贝尔奖，这次是在化领，她发现镭和钋。

She tried to separate the polonium from the pitchblende—but she failed.

她试图将钋从沥青闪石中分离出来——但她失败。

Marie still had to prove that polonium existed.

玛丽仍然需要证明polonium的存在。

Together, the two of them discovered two new radioactive elements: polonium, named after Marie's home country of Poland, and radium.

钋和镭，钋是以玛丽的祖国波兰命名。

In 2006 he murdered a political enemy in a busy London restaurant with polonium.

2006 年，他在伦敦一家繁忙的餐厅用钋杀死一名政敌。

She named the radioactive element she discovered " Polonium" in memory of Poland.

她将发现的放射性元素命名“钋”，以纪念波兰。

Now that the world knew about polonium, other scientists might want to study it.

既然全世界都知道钋，其他科家可能也想研究它。

The amounts of polonium in the pitchblende were too tiny.

沥青共混物中的polonium含量太小。

She won these thanks to her ground-breaking work studying radiation and discovering two new elements, polonium and radium.

由于她在辐射研究和发现两种新元素钋和镭方面的开创性工作，她赢得这些奖项。

This one was even more radioactive than polonium.

这种放射性甚至比polonium还要高。

In 1898, they reported two new elements, polonium, named for Marie's native Poland, and radium, the Latin word for ray.

1898年， 他们报告两种新元素，钋， 以玛丽的家乡波兰命名，以及镭， 拉丁语中的射线。

Polonium is a highly toxic substance and just one microgram -- about the size of a speck of dust -- is enough to kill a person.

钋是一种剧毒物质，仅仅一微克，也就一点灰尘大小的钋便可致人死亡。

She called it " radioactivity." It meant that metals like polonium and uranium were able to release energy into the air.

她称之 “放射性”。这意味着钋和铀等金属能够将能量释放到空气中。

A Swiss report said tests on the body showed unexpected high activity of polonium, 18 times than a normal level which moderately supported, they said, the poisoning theory.

瑞士一份尸检报告称遗体中含有超高水平的钋，是正常水平的18倍，这就支持毒杀说法。

For example, in 1899, at this time, Madame Curie and her husband had discovered polonium and radium, and they had become well-known figures in the academic world.

例如，在 1899 年，此时，居里夫人和她的丈夫发现钋和镭，他们已经成术界的知名人物。

In 1911, she won yet another Nobel, this time in chemistry for her earlier discovery of radium and polonium, and her extraction and analysis of pure radium and its compounds.

1911 年， 她再次获得诺贝尔奖，这次是化奖， 原是她较早发现镭和钋，以及她对纯镭及其化合物的提取和分析。