polonium

英[pəˈləʊniəm]

美[pəˈloʊniəm]

基本释义

Polonium is a highly radioactive element and a metalloid.

钋是高放射性的元素,金属.

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The most common production of Polonium is by synthetically making it.

最常见的钋是人工生产的.

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They discovered two kinds of radioactive matter - --- polonium and radium.

他们发现两种类型的放射性物质 ---- 钋和镭.

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Polonium and radium were important discoveries.

钋与镭是重要的发现.

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Polonium is a naturally radioactive metallic element.

钋是一种具有天然辐射性的金属元素.

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The Curies succeeded in discovering polonium in 1898.

居里夫妇于1898年成功地发现了钋.

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With the exception of polonium , the elements of group VIA are typical nonmetals.

除了钋的元素组是典型的非金属通过.

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A fierce critic of Vladimir Putin , Mr. Litvinenko died of exposure to radio active polonium.

利特维年科对总统普金诸多批评,他死于放射性剧毒重金属元素钋.

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Noun

1. a radioactive metallic element that is similar to tellurium and bismuth; occurs in uranium ores but can be produced by bombarding bismuth with neutrons in a nuclear reactor