1. Maybe one day, like the elephants in the south-eastern asian countries, the polar bear will risk to look for food in the town.
也许有一天，就像东南亚国家的大象一样，北极熊也会冲到镇上去找食物。
2. One thing alone makes it almost impossible for men to live in Antarcticain parts of the Arctic. This one thing is the low temperature --- the killing chill of far Norththe polar South.
只有一件事情足以使得人类几乎无法生存于南极和北极的地区，那的低气温——遥远两极要人命的寒冷天气。
3. For centuries, Europeans wondered about the existence of a South-Polar continent, but no one actually knew for certain Antarctica was there until 1820 when European explorers "discovered" it.
几个世纪以来，欧洲人一直在猜测是否存在南极洲，直到1820年欧洲的探险家“发现”了它，人们才真正确定南极洲的存在。
