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了放射性元素钋。

If I was gonna kill someone, I'd use polonium.

几个星期都不会毒发。

All he had to do was slip polonium into the tea.

也许我们能采到指纹。

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因饮下掺了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，玛丽第二次获得了诺贝尔奖，这次是在化学领域，因为她发现了镭和钋。

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了一名政敌。

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，她赢得了这些奖项。