英语词汇“perpetual motion”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	perpetual motion
释义	perpetual motion n. The hypothetical continuous operation of an isolated mechanical device or other closed system without a sustaining energy source.
随便看	Walter Adolph Walter Bradford Walter Charles Walter Chauncey Walter Elias Walter Francis Walter Frederick Walter Horatio Walter Houser Walter John Walter Mitty (Walter) Norman Walter Percy Walter Perry Walter Philip (Walter Richard) Rudolf Walters Walter William Waltham Walther Hermann Walther von der Vogelweide Walton Walton Walton Walton

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