tracker dog
noun/ˈtrækə dɒɡ/
/ˈtrækər dɔːɡ/
- a dog that has been trained to help the police find people or explosives
一只经过训练可以帮助警察寻找人或爆炸物的狗 - Police searched the area with a helicopter and tracker dogs.
警方出动直升机和追踪犬对该地区进行搜查。
- Police searched the area with a helicopter and tracker dogs.