bloodhound/ˈblʌd.haʊnd/名词大猎犬;大警犬The bloodhound picked up the scent of the missing hiker and led the search team to her location in record time.血液猎犬嗅到了失踪徒步旅行者的气味,并在创纪录的时间内带领搜救队找到了她的位置。想跟读,去练习