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。
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。
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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