sacrocaudalWiktionary 原文英美构词拆解sacrosacro-前缀caudalcaudal词干sacro-(anatomy) Of or relating to the sacrum.词源说明From sacro- + caudal.释义形容词adjective1(anatomy, zoology) Of or pertaining to the sacrum and the tail名词noun1(anatomy) Any of the sacrocaudal vertebrae of the sacrum