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	polemic polemics polenta polestar police policeman policy policyholder polio poliomyelitis Polish polish politburo polite politesse politic political politician politicize politico politico- politics polity polka poll

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