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-