sniffer
n. 嗅探器；嗅探犬；以鼻吸毒者
复数 sniffers
例句
Food sniffer dogs work at international airports in the United States.
食物嗅探犬在美国的国际机场工作。
Sniffer dogs are friendly and cute, so they don't scare people as they sniff through the crowds.
嗅探犬既友好又可爱，所以它们在人群中嗅探时不会吓到人。
Sniffer dogs could be trained to track them down.
可以训练嗅探犬来追捕他们。
《柯林斯英汉双解大词典》
