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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	preach preach preached preacher preachers preaches preachier preachiest preachified preachifies preachify preachifying preaching preachment preachments preachy preadaptation preadolescence preadult preagricultural preamble preamble preambled preambles preambling

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