bulltn.球门前混战bulln.公牛；股市看涨的人；<俚>警察n.荒谬的话n.教皇诏书adj.公牛的；鲁莽的bull ring trocar牛鼻圈通针bull's-eye signbullwhip-effect长鞭效应bullosis diabetic糖尿病性大疱生成bullbus corpuscle球状小体bulla ethmoidalis[医] 筛骨泡bullate leaves.有泡状隆起的树叶bulleyaconitine A草乌甲素bull-fight rink斗牛士Buller phenomenon布勒现象