英语词汇“perpetual motion”的中英文读音、翻译、固定搭配用法、短语词组及例句-英汉汉英双解词典-四方网

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	dipt dipteral dipteran dipterous diptych diptychs dipyridamole dipyridamoles diquat diquats dir. Dirac Dirac sea dire dire direct direct access storage device direct action direct-action direct current direct deposit directed directed angle directed distance directer 无藉在无藏无虑无虑无忧无虑无忧的反义词无虑无忧的近义词无虑无思无虑无思的近义词无虞无虾米励志经典励志个性签名个性的签名微信个性签名个性的签名 qq个性签名爱情个性签名微信个性签名个性的签名哲理个性签名励志个性签名 qq空间心情经典励志语句撕心裂肺的情话蜡笔小新经典语录讽刺人的诗句经典爱情名言伤感心情短语伤感的爱情句子分手感人落泪的一句话父亲节快乐的说说

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