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covalent bond

C 开头单词

音标发音

  • 英式音标 [kəʊˌveɪ.lənt ˈbɒnd]
  • 美式音标 [koʊˌveɪ.lənt ˈbɑːnd]
  • 英式发音
  • 美式发音

基本解释

  • n. [物化] 共價鍵

同根派生

     

英汉例句

    雙語例句

  • What's the definition of the covalent bond?
    共價鍵的定義是什麽？
  • The ability of an atom to attract electrons, and in particular, in a covalent bond.
    原子對電子的吸引能力，特別是在共價鍵中。
  • A covalent bond is any time we have a pair of electrons that is shared between two different atoms.
    所謂共價鍵就是我們有兩個原子,共用一對電子。

    • 原聲例句

  • He said that the percent ionic character, and this is within a bond, not for a compound, for a covalent bond.
    他提到離子百分數，是指一根鍵中，竝非一個分子中。
    麻省理工公開課 - 固態化學導論課程節選
  • A covalent bond is any time we have a pair of electrons that is shared between two different atoms.
    所謂共價鍵就是我們有兩個原子,共用一對電子。
    麻省理工公開課 - 化學原理課程節選
  • Likewise, the element that is a good electron acceptor in an electron transfer reaction is going to be the element that is going to hog the electrons in a covalent bond.
    同樣的，這個元素在一個電子轉移反應中,是個很好的受贈者它將成爲在共價電子,中吸引電子的元素。
    麻省理工公開課 - 固態化學導論課程節選

    • 權威例句

  • Avocados have become popular in restaurants and homes because, in food-science terms, they act as a "covalent bond" with other ingredients.
    NPR: What's in a Name? The Avocado Story

词组短语

    短語

  • covalent coordination bond [物化]共價配位鍵;繙譯
  • dative covalent bondcoordinate bond 配位鍵
  • covalent t bond 共價鍵
  • covalent atomic bond 共價原子鍵
  • reversible covalent bond 可逆共價鍵

英英字典

    劍橋英英字典

  • a chemical bond in which two atoms share one or more pairs of electrons that hold them together

    • 柯林斯英英字典

  • a type of chemical bond involving the sharing of electrons between atoms in a molecule, esp the sharing of a pair of electrons by two adjacent atoms