There are dogs that help sniff people out in disasters, dogs who can detect seizures, dogs who sniff to keep us safe, and even simple emotional support dogs that help stressed people relax.

有帮助在灾难中嗅出人的狗，能检测癫痫发作的狗，能通过嗅闻来保护我们安全的狗，甚至还有帮助压力大的人放松的情感支持狗。