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	GPI GPO GR gr Graafian follicle grab grabble grabby graben grace graceful graceless gracile gracility gracious grackle grad gradate gradation grade grader gradient gradine gradual gradualism

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。