请问大家'搜救犬'这个词翻译成英文应该是什么呢?

词性及解释
n.
sniffer dogs
搜救犬即嗅探犬
例句
搜救犬都受过良好的训练。
Sniffer dogs are all well-trained.

嗅探犬的高效、及时已经在四川地震灾区赢得广泛声誉。在那里，它们被视为最后一线希望。
The efficacy and efficiency of sniffer dogs have become legion in the quake-hit areas of Sichuan, where they are often seen as the last line of hope.

搜救犬 : Sniffer dog
rescue dog
search dog

搜救犬
翻译结果
Search and rescue dog

rescue dog?