bloodhound

n type of large dog with a good sense of smell, used for tracking （一种嗅觉灵敏、作追踪用的）大猎犬.

blood feud, blood group (also blood type), blood orange, blood pressure, blood sports, blood test, blood transfusion, blood-bath, blood-brother, blood-curdling, blood-donor, blood-heat, blood-letting, blood-lust, blood-money, blood-poisoning (also toxaemia), blood-red, blood-relation, blood-stained, blood-vessel, bloodily, bloodless, bloodshed, bloodshor, bloodshot, bloodstock, bloodstream, bloodsucker, bloodthirstily, bloodthirstiness, bloodthirsty, bloody, bloody-minded, bloody-mindedness, bloom, bloomer, bloomers, Bloomfield Hills, blooming, blooper,