For our caveman, the big food prizes were much larger and stronger than him, so he organised himself into co- operative groups with others to form a hunting pack.

对男性的远古祖先来说，要猎取的食物往往比其自身更庞大更强壮，所以他需要让自己和其他人一起加入到合作团队中，成群结队地狩猎。

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A pack of hunting dogs shot an Iowa man as he went to retrieve a fallen pheasant, authorities said.

当局说，当爱荷华州的一男子去取回一只落下的一只野鸡时，一群猎犬追击他。

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Marty thought he could do things himself now, such as hunting a rabbit, hanging out, sleeping without the pack and so on.

马蒂认为他现在可以自己做一些事了，比如猎兔、出去玩、不在群体中睡觉等等。

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He believes that by hunting as a pack, the lobby distorts the news.

ECONOMIST: Bagehot: In a spin | The

Also, hunting in a pack, England's pace attack had been looking menacingly like the best one in the world for months.

BBC: Is India's cricket debacle the worst ever?

Philip Currie of the University of Alberta in Canada speculated that pack hunting could have allowed Mapusaurs to prey on the biggest known dinosaur, Argentinasaurus, a 37.5m-long (125ft) plant-eater.

BBC: NEWS | Science/Nature | Dino may have been pack hunter