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词汇 polonium
释义

polonium

noun
/pəˈləʊniəm/
/pəˈləʊniəm/
[uncountable]
(symbol Po)
  1. a chemical element. Polonium is a radioactive metal that is present in nature when uranium decays.钋(放射性化学元素)
    词源late 19th cent.: modern Latin, from medieval Latin Polonia ‘Poland’ (the native country of Marie Curie, the element's co-discoverer).
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