polonium

英 [pəˈləʊniəm] 美 [pəˈloʊniəm]

n.  钋(放射性化学元素)

化学

COCA.37733



牛津词典

noun

  1. 钋(放射性化学元素)
    a chemical element. Polonium is a radioactive metal that is present in nature when uranium decays.

    双语例句

    1. We found that pitchblende contains at least two radioactive materials, one of which, accompanying bismuth, has been given the name polonium, while the other, paired with barium, has been called radium.
      我们发现沥青铀矿物中至少含有两种放射性物质:与铋伴生的命名为钋,与钡伴生的命名为镭。
    2. Could you tell me the name of the scientist who discovered two new radioactive elements, radium and polonium?
      你能告诉我发现了两种新放射性元素,镭和钋的科学家名字吗?
    3. So, you've got polonium or thorium sitting inside this leaded box with one opening.
      把钋或者钍放在,开一个小口的含铅的盒子里面。
    4. Madame Curie named it polonium in honour of her native country.
      居里夫人将它命名为钋,以纪念她的祖国。
    5. In honour of her motherland, she named it polonium.
      为了表达对祖国的敬意,她给它命名为卜。
    6. Before broaching the subject of this lecture, I should like to recall that the discoveries of radium and of polonium were made by Pierre Curie in collaboration with me.
      在开始讨论这次演讲的话题之前,我还想回忆一下,镭和钋发现是皮埃尔·居里与我合作完成的。
    7. Polonium is a naturally radioactive metallic element.
      钋是一种具有天然辐射性的金属元素。
    8. Polonium is so radioactive that it glows in the dark.
      钋的放射性很强,能在黑暗中发光。
    9. Litvinenko, a fierce Kremlin critic given asylum in Britain, accused Putin on his deathbed of being behind his polonium poisoning& charges the Kremlin has angrily denied.
      凶猛的克林姆林宫批评家在英国获得庇护,普京被告在他临死前被给含钋的毒药。这个控诉已被克林姆林宫愤怒地否定。
    10. Most helium result from the combination of one a particle released by decaying radioactive element with two electrons. polonium is the decay daughter of radioactive element radon.
      氦主要是放射性元素衰变释放出的a粒子与两个电子结合而成的,钋是放射性元素氡的衰变子体。

    英英释义

    noun

    1. a radioactive metallic element that is similar to tellurium and bismuth

        Synonym:    Poatomic number 84