On the third page of the Politics where he remarks that every city or every polis exists by nature, and he goes on to infer from this Zoon Politikon that man is what he calls the zoon politikon, the political animal, the polis animal.

在《政治学》第三页,他谈到,每座城市或城邦是自然发展的存在，他并进而藉此推论,人类是他所谓的，即政治动物，城邦动物。

耶鲁公开课 - 政治哲学导论课程节选

If formally approved, it would become the third local nature reserve in the Falkirk Council area.

BBC: Carron Dams

In a third study published in Nature, Jeffrey Andrews-Hanna and Maria Zuber of the Massachusetts Institute of Technology (MIT) in Cambridge, and Bruce Banerdt of Nasa's Jet Propulsion Laboratory (JPL) in California, provide impact evidence from gravitational and topographical signatures on Mars.

BBC: Mars' two-faced riddle 'solved'

There are fears up to a third of a west Cumbria nature reserve could have been destroyed by fire.

BBC: Siddick Ponds nature reserve damaged by fire