英语词汇“radium emanation”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	radium emanation
释义	radium emanation noun Archaic term for radon.By 1900, Friedrich Dorn discovered the isotope radon - 222 and called it radium emanation (Em).... In 1921 Margaret Uhlig suggested that radium emanation, later known as Rn, may be the cause of the lung cancers.
随便看	time draft time-drop time element Time-ese time-expired time-exposed time exposure time-fellow time-filler time flies Timeform time frame timeful timefully timefulness time fuse time-fused time globe time-hallowed time-honoured time immemorial time integral time-invariant timeish timeishness

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