a breed of large powerful hound of European origin having very acute smell and used in tracking
同义词：sleuthhound
bloodhound详细解释
blood.hound n.（名词）One of a breed of hounds with a smooth coat, drooping ears, sagging jowls, and a keen sense of smell.大猎犬，大警犬：一种猎犬，皮毛光滑、耳朵下垂、下颚下陷、具有敏锐的嗅觉Informal A relentless pursuer.【非正式用语】 侦探，凶猛追踪者
