搜救犬的英文：
sniffer dogs

sniffer是什么意思：
n. 嗅探器；嗅探犬；嗅探器；嗅探犬

They are teenage glue sniffers.
他们是一群吸胶毒的青少年。

Some sniffers are
有些嗅探器是 “第三方”，嗅探外部机器与嗅探器本身之间的流量。

Sniffer dogs seemed to take a particular interest in his shorts.
嗅探犬似乎对他的短裤表现出了特别的兴趣。

dogs是什么意思：
n. 狗；家伙
v. 跟踪，追踪

Is this dog trained?
这狗受过排便训练吗？

As faithful as a dog.
像狗一般的忠诚。

In the dog　house
窘迫,陷入困境

A dog in the manger
占着马槽(不拉屎)

Be a dog in the manger
占着茅坑不拉屎