GainesboroWiktionary 原文英美构词拆解GainesGaines词干boro-boro后缀-boroSynonym of -borough.词源说明From the surname Gaines + -boro, in Tennessee at least.释义专有名词proper noun1A town, the county seat of Jackson County, Tennessee, United States.2An unincorporated community in Frederick County, Virginia, United States.