Another option: Climb high and look for signs of human habitation.

还有个选择：攀登到高处并寻找人类居住的迹象。

youdao

Its main job is to search for any signs of life in places where human rescuers are unable to go.

它的主要工作是在救援人员无法到达的地方寻找生命迹象。

youdao

Participants with common signs of depression were more likely to see human qualities in their animals.

结果证明有着消沉迹象的参与者更容易在动物身上看到人类的特征。

youdao

They said a new,non-steroidal treatment made from a human protein has proven successful in greatly decreasing the signs of asthma in mice.

VOA: special.2010.09.07

He says to recognize the signs of human trafficking even before the victims themselves, border patrol agents are receiving specialized training.

VOA: standard.2010.07.23

"One of the things we found consistently in the academic literature and elsewhere was that the first responders, state and local law enforcement, did not recognize the signs of human trafficking."

VOA: standard.2010.07.23

Sniffer dogs scanned the debris late Tuesday for signs of human remains, CNN affiliate KCTV reported.

CNN: 2 missing, 14 hurt in Kansas City gas explosion

This is the case for the Arctic, where the signs of human-caused global warming are supposed to be first and most powerfully felt.

FORBES: Ten Years And Counting: Where's The Global Warming?

David Dagon, a professor of cybersecurity at Georgia Tech who's familiar with Pramana, hints that the technology may involve tracking mouse movements for signs of human timing.

FORBES: Magazine Article