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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	whenas whence whences whencesoever whenever whens whensoever where whereabout whereabouts whereas whereases whereat whereby where ever wherefor wherefore wherefores wherefrom wherein whereinto whereof whereon wheres wheresoever

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