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单词 lignin
释义
Lignin
nnoun.substancea complex polymer; the chief constituent of wood other than carbohydrates; binds to cellulose fibers to harden and strengthen cell walls of plants
Derivationally Related Form:ligneous
Substance Holonyms:wood
Hypernyms:polymer
Inherited Hypernyms:ligninpolymercompoundchemicalmaterialsubstancematterphysical entityentity
Inherited Hypernyms:ligninpolymercompoundchemicalmaterialsubstancepartrelationabstractionentity
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更新时间:2024/9/22 4:13:05