sniffer

1.electronic sniffers are used to detect the presence of a nuclear mass.

用电子嗅探器探测是否有核质量存在。

2.Are You a Sneezer, Wheezer, Sniffer, or Dripper?

你会打喷嚏，喘息，用子气或流涕吗？

3.he gave a sniff which suggested that the sniffer had eaten better food.

他嗅了嗅，那示嗅者见识过更好的东西。