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] 共價鍵
英汉例句
- 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。 - 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 - 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
雙語例句
原聲例句
權威例句
词组短语
- 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
短語
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