subcostalWiktionary 原文英美构词拆解subsub-前缀costalcostal词干sub-Under, beneath. · Subsidiary, secondary.词源说明From sub- + costal.释义形容词adjective1(anatomy) Below (deep to) a rib or the ribs.2(entomology) Pertaining to the subcosta and/or the area of the wing next to it.名词noun1(anatomy) A subcostal muscle.2(zoology