Some dogs have even been trained to sniff for cancer in people.

科学家正在训练可以嗅出人是否患上癌症的猎狗。

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All that is required is for the operator to work out how to sniff appropriately.

对于操作者来说所需的一切就是如何做出适当的吸嗅动作。

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And at each of the five airports it serves, the company has created a "Pet Lounge" for future fliers to wait and sniff before flights.

在开通宠物航线服务的五个机场，公司还专门为宠物乘客开辟了一个“宠物候机室”，供它们等候航班或者四处闻闻。

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Dogs are often used in search and rescue operations and to sniff for things like drugs and explosives.

VOA: special.2011.01.17

that trains dogs to sniff for wild animal feces also called scat.

VOA: standard.2010.02.22

That way, if hackers sniff for traffic on a network, any information they're able to access will come out garbled.

FORBES: Magazine Article

King reported that these dogs are trained to sniff for explosives.

CNN: White House's West Wing briefly evacuated

If the client wanted more help, Schwab later punted him off to a small army of 400 investment advisers, the independent financial planners who passed Schwab's sniff test for fee-based services and unbiased service and who agreed to pay referral fees for the clients.

FORBES: Charles Schwab, Version 4.0