短语词组短语bull -head pass 辊身平孔型bull head rivet 埋头铆钉;圆头铆钉This Big Bull Head 一个大牛头bull head rail 工字钢轨A bull head 牛头bull head barbecue sauce 牛头牌沙荼酱bull head tee 大小三通;大头三道 返回 bull head