horehound

例句：

1. 1.The hunters followed the trail of the lost hound.
   猎人沿着失踪的猎犬的踪迹追踪。
2. 2.The scenthound was trained to track down criminals.
   这种嗅觉猎犬被训练来追踪罪犯。
3. 3. The hound was a loyal companion to the hunter.
   这只猎犬是猎人忠实的伴侣。