Polonium is a highly radioactive element and a metalloid.
釙是高放射性的元素,金屬.
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The most common production of Polonium is by synthetically making it.
最常見的釙是人工生產(chǎn)的.
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They discovered two kinds of radioactive matter - --- polonium and radium.
他們發(fā)現(xiàn)兩種類型的放射性物質(zhì) ---- 釙和鐳.
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Polonium and radium were important discoveries.
釙與鐳是重要的發(fā)現(xiàn).
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Polonium is a naturally radioactive metallic element.
釙是一種具有天然輻射性的金屬元素.
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The Curies succeeded in discovering polonium in 1898.
居里夫婦于1898年成功地發(fā)現(xiàn)了釙.
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With the exception of polonium , the elements of group VIA are typical nonmetals.
除了釙的元素組是典型的非金屬通過.
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A fierce critic of Vladimir Putin , Mr. Litvinenko died of exposure to radio active polonium.
利特維年科對總統(tǒng)普金諸多批評,他死于放射性劇毒重金屬元素釙.
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