基本解释警犬词组短语短語blood -hound dog 偵探犬blood-hound更多词组英英字典柯林斯英英字典 A bloodhound is a large dog with a very good sense of smell. Bloodhounds are often used to find people or other animals by following their scent. blood-hound剑桥字典blood-hound柯林斯字典专业释义生物學血????，大獵犬，大警犬尋血獵犬