英语词汇“radioactivity”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	radioactivity
释义	radioactivity n. the spontaneous disintegration of atomic nucleii, with the emission of usu. penetrating radiation or particles.
随便看	micro-economics micro-electronics microfiche microfilm microfloppy microform microgram micrograph microgroove microinstruction microlight microlith micromesh micrometer micrometre microminiaturization micron Micronesian micro-organism microphone microphotograph microphyte microprocessor microprogram micropyle

英语词典包含43808条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。