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. the motion of a hypothetical machine which once set in motion would run for ever unless subject to an external force or to wear 永恒运动
随便看	licentiousness lichee lichen lichened lichenology lichenous lich-gate licit licitly lick lick a person's boots (or shoes) licker lickerish lickety-split licking lick into shape lick one's lips lick one's lips (or colloq. [口] chops) lick one's wounds lick (or knock) into shape lickspittle licorice lictor lid lidded

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