They're polymers, made of long chains of repeating chemical units.
它们是聚合物，由长链重复的化学单元组成。
| 单词 | Repeating unit |
| 释义 |
Repeating unit
原声例句
PBS趣味科普 They're polymers, made of long chains of repeating chemical units. 它们是聚合物，由长链重复的化学单元组成。 双语版 TED-Ed 演讲精选 It's a polymer, meaning it's made of long chains of repeating units of atoms strung together. 它是一个聚合物，说明它是由一长串相同的原子而成。 Crash Course 综合篇 These are all polymers; huge chains or sometimes 3D networks of repeating organic units called monomers. 这些都是聚合物； 巨大的链条或有时称为单体的重复有机单元的 3D 网络。
英语百科
Repeat unit（重定向自Repeating unit）
A repeat unit or repeating unit is a part of a polymer whose repetition would produce the complete polymer chain (except for the end-groups) by linking the repeat units together successively along the chain, like the beads of a necklace. A repeat unit is sometimes called a mer or mer unit. "Mer" originates from the Greek word "meros," which means part. The word polymer derives its meaning from this, which means "many mers." A repeat unit (or mer), is not to be confused with the term monomer, which refers to the small molecule from which a polymer is synthesized. |
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