英语词汇“vacuum tube”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	vacuum tube
释义	vacuum tubeˈvacuum ˌtube noun [countable] science, physics a closed glass tube, used to control the flow of electricity in old radios, televisions, etc.
随便看	astonishment Astor, John Jacob astound astounded astounding astoundingly astrakhan astral astray astride astringency astringent astro- astrolabe astrologer astrological astrologically astrology astronaut astronomer astronomical astronomically astronomical unit astronomy astrophysical

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