这里的过去分词该怎么理解

These molecular chains, each assembled from a menu of 20 types of chemical links called amino acids, do biology’s heavy lifting.

老师您好，请问这里的assembled该怎么理解？

1.仅仅作为过去分词在这里充当定语

2.其前省略了关系代词和助动词be

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1 个回答

曹荣禄 2020-12-15 20:37

擅长：动词用法,句法问题

each assembled from a menu of 20 types of chemical links called amino acids，这是独立主格结构作状语。