paired electrons
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美
- 成对电子
双语例句
- For the case of electrons an important restriction comes into play.
对电子而言，有一个重要的限制性条件在起作用。 - Alkanes have only single covalent bonds, meaning that the bonds are formed by two carbon atoms sharing a pair of electrons.
链烷只有单一的共价键，这意味着共价键是由两个碳原子分享一对电子。
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