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	citric citric acid citrin citrine citron citronella citrous citrus cittern city City Company city desk City editor city father cityfied city hall city manager city page cityscape city slicker city state City Technology College cityward citywards civet

英汉双解词典包含94788条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。