detection dog

US /dɪˈtek.ʃən dɔːɡ/
UK /dɪˈtek.ʃən dɔːɡ/
"detection dog" picture
1.

偵查犬, 警犬

a dog trained to use its senses to detect substances such as explosives, illegal drugs, or missing people

:
The police used a detection dog to sniff out the hidden contraband.
警方使用偵查犬嗅探出隱藏的違禁品。
Detection dogs are often employed at airports for security checks.
偵查犬常被用於機場進行安全檢查。