xiphocostalWiktionary 原文英美构词拆解xiphoxipho-前缀costalcostal词干xipho-sword; sword-shaped · (anatomy) Relating to the xiphoid process (bottom of sternum).词源说明From xipho- + costal.释义形容词adjective1(anatomy) Pertaining to the xiphoid process and the ribs.