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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	intermezzi intermezzo intermezzos interminable intermingle intermission intermissions intermit intermits intermitted intermittent intermittent current intermitting intermix intermodal intermodulation intermountain intern intern internal internal-combustion engine internal ear internal energy internalise internalize

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