gnathocephalonWiktionary 原文英美构词拆解gnathognatho-前缀cephaloncephalon词干gnatho-(anatomy) Jaw.词源说明From gnatho- + cephalon.释义名词noun1The part of an insect's head, behind the protocephalon, that bears the mandibles and maxillae同族词相关词 1gnathocephalic