preumbilicalWiktionary 原文/ˌpriːʌmˈbɪlɪkəl/构词拆解prepre-前缀umbilicalumbilical词干pre-Before; physically in front of. · Before; earlier in time; beforehand.词源说明From pre- + umbilical.释义形容词adjective1(anatomy) Anterior to the umbilicus.