macrocephalyWiktionary 原文英美构词拆解macromacro-前缀cephaly-cephaly后缀macro-large · long-cephaly(medicine, pathology) head词源说明From macro- + -cephaly.释义名词noun1(medicine) A condition in which the head is abnormally large.2(geography) The excessive concentration of population and development in a single centre, to the detriment of other areas.同族词