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	terrine territ territorial Territorial Army territoriality territorialization territorialize territorially territorial waters territory terror terrorism terrorist terroristic terroristically terrorization terrorize terrorizer terror-stricken Terry terry terse tersely terseness tertian

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