radioactive 英 [ˌreɪdiəʊˈæktɪv]   美 [ˌreɪdoʊˈæktɪv]

radioactive

radioactive  英 [ˌreɪdiəʊˈæktɪv] 美 [ˌreɪdoʊˈæktɪv]

adj. [核] 放射性的;有辐射的 

The waste is safely locked away until it is no longer radioactive.  废料被安全储存起来,直到其不再有辐射性。
a ban on the dumping of radioactive waste at sea  禁止向海里倾倒放射性废物

  • When an object gives off a certain kind of energy, like the sun or an x-ray machine, it can be described as radioactive.
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  • adj. [核] 放射性的;有辐射的
  • 1. The waste is safely locked away until it is no longer radioactive.

    废料被安全储存起来,直到其不再有辐射性。

  • 2. a ban on the dumping of radioactive waste at sea

    禁止向海里倾倒放射性废物

  • 3. the study of radioactivity

    放射性研究

  • 4. a rise in the level of radioactivity

    辐射强度的增加

  • radioactive (adj.) 1898, from French radio-actif, coined by Pierre and Marie Curie from radio-, combining form of Latin radius (see radiation) + actif "active" (see active).
radio·active / ˌreɪdiəʊˈæktɪv ; NAmE ˈreɪdioʊˈæktɪv / adjective sending out harmful radiationcaused when the nuclei(= central parts) of atoms are broken up 放射性的;有辐射的 radio·activ·ity / ˌreɪdiəʊækˈtɪvəti ; NAmE ˌreɪdioʊækˈtɪvəti / noun [uncountable ] the study of radioactivity 放射性研究 a rise in the level of radioactivity 辐射强度的增加 radio·active / ˌreɪdiəʊˈæktɪv ; NAmE ˈreɪdioʊˈæktɪv / radio·activ·ity / ˌreɪdiəʊækˈtɪvəti ; NAmE ˌreɪdioʊækˈtɪvəti /
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