英语词汇“roentgenium”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	roentgenium
释义	roentgenium noun /ˌrɒntˈɡiːniəm/ /ˌrentˈɡiːniəm/ [uncountable] (symbol Rg) jump to other results a chemical element. Roentgenium is a radioactive element that is produced artificially and has no known use. the discovery and naming of roentgenium Roentgenium has no stable isotopes.
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