cata-pref.（前缀）Down:向下：例句：catadromous.为产卵顺流而下的Reverse; backward; degenerative:表相反意思：相反；后向；变坏：例句：cataplasia.细胞或组织的萎缩来源：Greek kata- 希腊语 kata- from kata [down, downwards, thoroughly] * see kat- 源自 kata [下，向下，完全地] *参见 kat-
