onychodysplasiaWiktionary 原文英美构词拆解onychoonycho-前缀dysplasiadysplasia词干onycho-(anatomy, medicine) Nail: Relating to fingernails, toenails, or homologous structures such as claws or hooves.词源说明From onycho- + dysplasia.释义名词noun1dysplasia of the nails