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	stupor stuporous sturdily sturdiness sturdy sturgeon Sturm und Drang stutter stutterer stutteringly Stuttgart Stuyvesant sty sty stye stygian styl- styl- stylar stylate style stylebook styler stylet styli

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