我想象它们的样子，通过共价键结合的分子链。

I'm imagining something like, covalently bonded chains that have links between them.

youdao

过氧化物：任何由两个氧原子以单个共价键相互结合在一起的一类化合物。

Peroxide: Any of a class of chemical compounds in which two oxygen atoms are linked by a single covalent bond.

youdao

最常见的例子是有机化合物，亚硝酸盐类的同分异构体，其中一个碳原子以共价键与硝基中的氮原子结合。

The most common examples are organic compounds, isomers of nitrite esters in which a carbon atom is linked by a covalent bond to the nitro group's nitrogen atom.

youdao