英语词汇“perpetual motion”是什么意思，“perpetual motion”的读音、用法及例句翻译-烛光网

词汇	perpetual motion
释义	perpetual motionn.（名词） The hypothetical continuous operation of an isolated mechanical device or other closed system without a sustaining energy source.永恒运动：一种奇特的机械设备或其它封闭系统，无需提供能量而永恒不断地运转
随便看	bas BAS. basal basal body basal cell basal ganglion basal granule basal metabolic rate basal metabolism basal nucleus basal nucleus basal reader basals basalt basalts BASc. bascinet bascule bascules base base baseball baseball baseboard baseborn

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