covalent bond
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
英汉例句
- 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。 - 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 - 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
双语例句
原声例句
权威例句
词组短语
- 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
短语
英英字典
- a chemical bond in which two atoms share one or more pairs of electrons that hold them together
- 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