企鹅是地球上最大的不会飞的鸟
主要生活在南半球
企鹅能在严寒中生活、繁殖。
在陆地上，它像身穿燕尾服的西方绅士，
在水里，游速可达每小时25-30千米。
Penguins are the biggest birds which can't fly in the earth.
they mainly live in Southern hemisphere.
penguins can live and reproduce in an extremely cold environment .
in the land, they like gentlemen with suits.
in the water, they can swim at 25- 30 km per hour.
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