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	self-definition self-denial self-deprecating self-deprecatory self-depreciation self-described self-destruct self-destruction self-destructive self-determination self-determination self-development self-development self-devotion self-diagnosis self-digestion self-directed self-discipline self-discipline self-discovery self-discovery self-distrust selfdom Beaverhead Mountains beavering

英汉双解词典包含166908条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。