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TOEFL BNC: 3892 COCA: 3652
radiation
noun [U] /ˌreɪdiˈeɪʃ(ə)n/
  1. 1
    chemistry a form of energy produced during a nuclear reaction that is used for making electrical power but can also kill or harm humans who receive too much of it (核)放射;(核)辐射

    There is a clear link between exposure to radiation and some forms of cancer. 接触辐射与患某些癌症之间有明显的联系。

    Some workers at the power station were exposed to high levels of radiation. 这个核电站的一些工人受到了高强度辐射的侵害。

     Synonyms and related words
     Synonyms and related words
    1. a.
      [only before noun] consisting of radiation, or caused by radiation 辐射的;由辐射导致的

      a radiation leak 辐射泄露

       Synonyms and related words
  2. 2
    physics a type of energy that is sent out in the form of electromagnetic waves, for example, heat, light, or radio waves (热、光线、无线电波等的)放射,辐射

    ultraviolet radiation from the sun 太阳紫外线辐射

     Synonyms and related words
See also
  • radioactive

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