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C2 noun #142,774 最常用

cobalt 60

cobalt 60 30秒了解

a radioactive isotope of cobalt with mass number 60; a source of exceptionally intense gamma rays; used in radiation therapy

cobalt 60 30秒了解

  • (noun) a radioactive isotope of cobalt with mass number 60; a source of exceptionally intense gamma rays; used in radiation therapy

Meanings

  1. 1
    noun a radioactive isotope of cobalt with mass number 60; a source of exceptionally intense gamma rays; used in radiation therapy
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