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 motion n. 1.(with no source of energy)(无任何能源的)永动 2.(with energy source at lower temperature)(有低温能源的)永动
随便看	retinol retinols retinopathies retinopathy retinoscope retinoscopic retinoscopically retinoscopies retinoscopist retinoscopy retinospora retinospora retinotectal retint retinue retinued retinues retinula retinulae retinular retiracies retiracy retiral retirals retirant

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