英语词汇“rare gas”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	rare gas
释义	rare gas noun Another term for noble gas.The low reactivity of the rare gases is due to the arrangement of electrons in the rare gas atoms.... These elements have been known as the rare gases, but some of them are not especially rare. Both utilize large, long-lived, and relatively expensive bulbs filled with various combinations of rare gases and a remote ballast.
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