polar bear-
The polar bear 's white fur is a natural camouflage .
北极熊的白色毛皮是天然的保护色。
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The polar bear is found in the Arctic Circle and some big land masses as far south as Newfoundland ．
北极熊生活在北极圈和纽芬兰以北的一些大的陆地。
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Go for a Polar Bear Swim on New Year 's Day
别具一格庆元旦&参加北极熊游泳
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the main reason why many polar bear populations are dropping .
这大概是许多北极熊种群数量下降的主�
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One day , the penguin and the polar bear plays together .
一天，企鹅和北极熊在一起玩。
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Have you ever heard the story of the small polar bear ?
你听过小北极熊的故事吗？
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On her way , she met a polar bear .
在她（寻雪）途中，她遇见了一头北极熊。
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If you want to say polar bear , you can just say it .
你要想说是北极熊你就直说好了。
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Didn 't you guys shoot a polar bear last week ?
上个礼拜你们不是杀了只北极熊吗？
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What I 'd like to discuss with you today is the polar bear .
今天我想和大家讨论的是北极熊。
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In the bear family , only the polar bear is white .
在熊的家族里，只有北极熊是白色的。
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Even the mighty polar bear would be at risk of starvation .
威猛的北极熊甚至会饿死的危险。
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The third guy 's name was polar bear .
还有一个叫北极熊。
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The polar bear , however , thrives in this kind of environment .
但是北极熊在这里生活地却很好。
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The polar bear is the largest land predator in the world .
北极熊是世界上最大的陆地肉食动物。
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Some people want to kill the polar bear for its beautiful white coat .
有人会为了它们白色的皮毛而捕杀北极熊。
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The World Wildlife Fund says the polar bear is not receiving enough protection .
世界野生动植物基金会说，北极熊是没有得到足够的保障。
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In the North Pole , polar bear will appear through the whole year .
在北极，一年四季都有北极熊出没。
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The importance of Arctic is where the polar bear lives .
北极的重要性在于那是北极熊居住的地方。
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A polar bear has a preference for cold weather .
北极熊喜欢寒冷的天气。
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Remembering that a polar bear is always hungry , you look like food .
北极熊总吃不饱，你又像食物。
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A polar bear would have a lot of fun and probably get very very fat !
一只北极熊在南极会高兴死了，可能会变得肥不可及！
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Alaska still is a land of iceberg and polar bear .
阿拉斯加现在仍是冰山和北极熊的世界。
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The Arctic remains the domain of the polar bear .
北极仍然是北极熊的活动领地。
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A polar bear is a big white bear that lives near the North Pole .
北极熊是生活在北极附近白色的大熊。
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Eg. we may even catch sight of a polar bear on the ice .
我们甚至可能突然看到一只北极熊在冰面上。
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Actually a polar bear 's biggest problem is keeping cool , not keeping warm .
实际上北极熊最大的问题是保持凉爽，而不是保持温暖。
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The white fur of the polar bear is a natural camouflage .
北极熊身上的白色的浓密软毛是一种天然的伪装。
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A male polar bear is searching for a mate .
一只雄性北极熊正在寻找一位伴侣。
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The polar bear lives in the snow and ice at the North Pole .
北极熊住在北极的雪地以及冰原。在地磁反转后，指北针的指针会指向南极，而不再是冰冻的北极。