柯林斯詞典sniffer dog (sniffer dogs) 1. N-COUNT A sniffer dog is a dog used by the police or army to find explosives or drugs by their smell. 嗅探犬 返回 sniffer dog劍橋詞典a dog that is trained and used by the police or army to find hidden drugs or bombs , or to find someone the police are looking for, using its sense of smell 嗅探犬(經(jīng)過訓(xùn)練專門用於嗅探毒品和炸彈的狗) 返回 sniffer dog