英语词汇natural radiactivity是什么意思，natural radiactivity的用法、释义、翻译、读音、例句、短语词组-英汉汉英翻译词典

单词	natural radiactivity
释义	natural radiactivity　【电】天然放射现象
随便看	additive group additive identity additive inverse additive inverse additive level additive losses additive lubricating oil additive metal additive metamorphism additive mixing additive morpheme additive motor oil additive name additive norm additive number theory additive paint additive polarity additive postulate additive primaries additive primary additive primary colour additive printer additive process additive product additive property

英汉汉英翻译词典包含1679246条英汉翻译词条，基本涵盖了全部常用英语单词及常用语的翻译及用法，是英语学习及翻译工作的有利工具。