英语词汇radioactivity怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	radioactivity
释义	radioactivity/ˌreidiəʊækˈtiviti/n. 1 the spontaneous disintegration of atomic nuclei, with the emission of usu. penetrating radiation or particles 放射现象 2 radioactive substances, or the radiation they emit 放射性物质；放射线；辐射线
随便看	realistically reality realizability realizable realization realize realizer real life real live reallocate reallocation reallot reallotment forensically forensic medicine forensic science foreordain foreordination forepaw forepeak foreplay forequarters forerun forerunner foresail

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