英语词汇perpetual motion怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	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	commerced commerces commercial commercial bank commercialism commercialisms commercialize commercialized commercializes commercializing commercial paper commercial papers commercials commercial traveler commercing commie commies commination comminations Commines commingle commingled commingles commingling comminute

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