For rats, social behavior essentially consists of sniffing and play fighting.

对于大鼠，其社会行为基本包括四处闻味和打闹。

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The courtship of a sun bear is quite spectacular they will show such behaviour as hugging, play fighting and even head bopping with each other.

马来熊的求爱过程是十分壮观的，牠们会显示出拥抱、打斗游戏、甚至互相撞头的行为。

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For half an hour Jimmy and Shandy played in the garden, rolling around the grass, play-fighting.

吉米和姗蒂在院子里玩了半个小时，他们在草地上打滚，玩格斗游戏，总是姗蒂赢。

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Conscious that a faraway and costly war doesn't play well with voters, incumbent Gordon Brown insists the troops are fighting to keep Britain safe "We have got to be clear that we cannot allow terrorists to have territory in the world that then they use as a base to attack the United Kingdom."

VOA: standard.2010.04.30

Gordon Cole QC, defending, asked Mr Siree about the phone call and he said at the time he and uncle were messing about, play fighting, laughing and joking.

BBC: Gabor Sarkozi

Since then, the only way to see a panda in the Sichuan province has been to visit the Chengdu Panda Reserve -- one of the most important international centres for panda research -- which provides a fantastic opportunity to get up close to the animals and watch them chomping down on bamboo and play fighting.

BBC: The return of China��s wild panda

Sure, Warren Sapp just giggling and Chris Collinsworth and Phil Simms play-fighting can fill the space of a show or two.

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