These three components are interwoven, and direct covalent linkages.

这三种成分相互交织，直接形成共价键。

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A coordinate covalent bond is one where both bonding electrons are from one of the atoms involved in the bond.

配位共价键是其中两个键合电子均来自该键所涉及的原子之一的键。

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Covalent catalysis involves the substrate forming a transient covalent bond with residues in the active site or with a cofactor.

共价催化涉及底物与活性位点中的残基或与辅因子形成瞬时共价键。

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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

CO Right, so you take the co here, and we take the valence here, and out of that comes covalent.

好了，然后我们看到，我们可以看到他的化合价，他们成共价键。

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

Avocados have become popular in restaurants and homes because, in food-science terms, they act as a "covalent bond" with other ingredients.

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Locklin and his colleagues sprayed the substance onto materials and exposed them to ultraviolet light, which causes a covalent bond with the host material.

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They performed this trick, as they explain in the journal Langmuir, using a substance called phenyl azido, which readily forms covalent bonds with its neighbours when exposed to ultraviolet light.

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