英语词汇“double bond”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	double bond
释义	double bond noun : a chemical bond consisting of two covalent bonds between two atoms in a molecule, usually represented in chemical formulas by two lines, two dots, or four dots denoting two pairs of electrons (as in the formulas for ethylene H₂C = CH₂, H₂C:CH₂, or H₂C::CH₂) — compare triple bond, unsaturated
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