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词汇	double bond
释义	double bondn.（名词）double bonddouble bond between oxygen atoms A covalent bond in which two electron pairs are shared between two atoms.双键：两个原子之间的两个电子对的共价键
随便看	fruit bat fruit beer fruitcake fruit cocktail fruited fruit fly fruitful fruitfuller fruitfullest fruitier fruitiest fruiting fruiting body fruition fruitions fruitless fruitlet fruitlets fruits fruit sugar fruitwood fruity frumentaceous frumenties frumenty

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