沉淀汉英词典

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] 共价键

同根派生

     

英汉例句

    双语例句

  • What's the definition of the covalent bond?
    共价键的定义是什么？
  • The ability of an atom to attract electrons, and in particular, in a covalent bond.
    原子对电子的吸引能力，特别是在共价键中。
  • A covalent bond is any time we have a pair of electrons that is shared between two different atoms.
    所谓共价键就是我们有两个原子,共用一对电子。

    • 原声例句

  • He said that the percent ionic character, and this is within a bond, not for a compound, for a covalent bond.
    他提到离子百分数，是指一根键中，并非一个分子中。
    麻省理工公开课 - 固态化学导论课程节选
  • A covalent bond is any time we have a pair of electrons that is shared between two different atoms.
    所谓共价键就是我们有两个原子,共用一对电子。
    麻省理工公开课 - 化学原理课程节选
  • 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.
    同样的，这个元素在一个电子转移反应中,是个很好的受赠者它将成为在共价电子,中吸引电子的元素。
    麻省理工公开课 - 固态化学导论课程节选

    • 权威例句

  • 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

    短语

  • covalent coordination bond [物化]共价配位键;翻译
  • dative covalent bondcoordinate bond 配位键
  • covalent t bond 共价键
  • covalent atomic bond 共价原子键
  • reversible covalent bond 可逆共价键

英英字典

    剑桥英英字典

  • 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