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更新日期:2026-08-14
vestigial structure释义 遗迹构造 例句1·Similar in concept to vestigial structures are atavisms, which are the reappearance of a structure or trait that isn't found in the immediate ancestors. 跟退化结构相似的概念还有返祖现象,它的意思是生物体身上重新出现直系祖先没有的结构或特征。