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单词	conservation of energy
释义	conservation of energy noun phrase : a principle in physics: the total energy of an isolated system remains constant irrespective of whatever internal changes may take place with energy disappearing in one form reappearing in another Word History First Known Use 1853, in the meaning defined above Medical Definition conservation of energy noun : a principle in physics: the total energy of an isolated system remains constant irrespective of whatever internal changes may take place with energy disappearing in one form reappearing in another called also first law of thermodynamics, law of conservation of energy
随便看	fairstitcher fairwater fairway fairways fairweather mountain Fairweather, Mount fairy fairy arrow fairy bell fairy bluebird fairy bouquet fairy butter fairy cake fairy candle fairy cap fairy circle fairy club fairy creeper fairy cup fairy fans fairy finger fairy flax fairy glove fairy godmother fairy godmothers

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