bindexbullwhacker./bool-hwak-er, -wak-/US // ˈbʊlˌʰwæk ər, -ˌwæk- //牛皮箱,牛皮癣患者,牛皮筏子,牛皮癣Definitionsn.noun · 名词1. Western U.S.› the driver of a team of oxen.Level 4More words in b →