“repeating unit”可以造什么句，repeating unit造句

A three repeating unit polycarboxylate dispersant is included in the mixture in amounts from about 0.2% to about 10% by weight.

A polymer in which the repeating unit contains two carbon atoms linked by an oxygen atom.

What was happening was this: in its pure state of repeating units of one titanium and two oxygen atoms, titanium dioxide is a semiconductor.