这是个值得思考的问题。
Biologists calculate that there are about 20,000-25,000 polar bears worldwide.
生物学家估计，全世界大概有2万至2万5千只北极熊。
After that, Father Bear, Mother Bear, and the old brown bear talked about how young bears should be brought up.
接着，熊爸爸、熊妈妈和老棕熊讨论了应该怎样抚养小棕熊的话题。
The Arctic is the home to about 25,000 polar bears.
北极是约两万五千只北极熊的家园。
Campbell has given away about 1,300 teddy bears so far.
到目前为止，坎贝尔已经送出了大约1300只泰迪熊。
Scientists want to learn all they can about polar bears and how they can help them.
科学家们想要了解关于北极熊的一切，以及如何才能帮助它们。
So yes, I suppose you might call it gold country, but how can anyone think about gold with bears round every corner?
我想，你大概会把它称为黄金之地，不过，在一个熊到处出没的地方，人还做得了发财梦吗？
They are also angry because the state plans to kill about 80 brown bears later this spring.
他们还对该州计划稍后的今年春天杀掉约80头棕熊感到气愤。
Little has been said in the media about climate change and health - usually what we hear about is polar bears, loss of the ice cap, dying species and flood risks.
媒体总是把注意力放在北极熊、冰盖融化、濒危物种和洪水的危险上，极少提及气候变化对人类健康的影响。
So dollar bears may be right about the direction of America's economy, but wrong about the consequences for monetary policy.
所以，美元走弱对美国经济的走向来说可能是正确的举措，但是并不必然意味着政策的放松。
Palmer continues his press conference explaining that he bears full responsibility for not knowing about what was going on.
帕默继续在记者招待会上发言，阐明由于不清楚家里发生的事情，他作为家长，承担他的责任。
Palmer continues his press conference, explaining that he bears full responsibility for not knowing about what was going on.
帕默继续在记者招待会上发言，阐明由于不清楚家里发生的事情，他作为家长，承担他的责任。
Just when the bears were in the ascendance came the rather shocking flash that the nation's third quarter growth just about doubled from the second quarter to 2.5%.
就在看空者大行其道之时，我脑中闪过了一个真正令人震惊的想法：美国第三季度增长率较第二季度翻了一番，达到了2.5%。
Now Billy Bulger, did you hear the story about him that bears on Dan's dilemma?
比利·布杰，你们听说过他承受的、丹的两难困境的故事吗？
With delisting -- and hunting -- at least a year away, bear managers say they will be stepping up campaigns at campgrounds and in communities about safeguarding food and garbage that draw bears.
由于至少一年之后灰熊不再列入名单以及随之而来的猎杀，熊类管理人员表示，他们将加大对营地和社区的宣传力度，以便让民众保管好食品和垃圾，以免招徕熊。
He and his colleagues get such abundant data by volunteering to take in black bears that have developed a taste for foraging close to people and are about to be killed as menaces.
他和他的同事自愿收养了几头养成了在人类附近生活，本将因其威胁性而被杀害的黑熊，从而获得了大量数据。
Kodiak bears, native to the Kodiak Archipelago near Alaska, are ominvores that live up to 30 years in the wild. Their lifespan increases to about 50 years in captivity.
科迪亚克熊产自阿拉斯加州附近的科迪亚克岛，在野外生活大约可以活30年，若圈养则可活50年左右。
The observation has concerned many conservationists, who worry about the grizzlies competing with—or even attacking—polar bears.
这项观察和很多自然资源保护学家有关，这些人很关心灰熊对北极熊的竞争甚至是攻击。
Research on thought suppression (e.g. "Don't think about white bears!") has shown that trying to avoid a thought makes it even more active in your mind.
关于抑制想法的研究（比如“不要想白熊”）已经表明了尝试抑制一种想法会让它在你的头脑中更加活跃。
The oldest assemblage - consisting of about 500 pieces from 31 tools - bears a signature of its makers, says Marks.
马克斯说，最早的一堆——包括31个石器的500碎片——带有制作者的相关信息。
Edge of Darkness, based on the 1985 Brit TV drama about a cop searching for his daughter's killers, bears a resemblance to last year's Liam Neeson hit Taken.
《黑暗边缘》改编自一部1985年的英国电视剧，讲述的是一名警察寻找杀害其女儿凶手的故事，这部电影被指与去年利亚姆·尼森的卖座电影《飓风营救》情节雷同。
It's not just about defending the rights and lives of those who are less fortunate than us, and it certainly isn't about polar bears.
它不仅仅是为了维护那些不幸的人的权利和生活，更不是为了北极熊。
The further 50 km stretching along the forest zone (the home of hungry bears) are in terrible condition.Still there are many tourists lounging about and risking their lives.
可是要去目的地，还要往前走50公里，途径一片森林地带，那里路途艰险，常有饿熊出没，尽管如此，还是有很多游客冒着生命危险在那带出行。
To understand this frustrating mental process, let’s play a simple game with only one rule: Don’t think about white bears.
要想了解这个令人沮丧的心理过程，让我们来玩一个简单的游戏，这个游戏只有一个规则：那就是千万不要想起北极熊这个动物来。
"I'm really impressed with their accomplishment," says Waits, who had previously published estimates about the genetic origins of polar bears that align closely with the new findings.
“我对他们的成就印象很深刻，”Waits说，他先前出版了一本书，是关于北极熊遗传起源的，书中的观点和这项发现是一致的。
After watching his son, Matthew, playing one day, he said, “If your child likes—loves—you, the very love he bears you tears your heart out about once a day or once every other day.”
有一天，在看着他的儿子马修玩耍之后，他说：“如果你的孩子喜欢你——爱你，那么他带给你的那份爱，能让你每天一次或者隔天一次，从心里哭出来。”
Black bears are one of the largest mammals in North America. They're about three feet high at the shoulder and six feet long and can easily weigh 300 pounds.
黑熊是北美最大型的哺乳动物之一，四肢着地肩高约有0.91米，身长约1.83米，体重大多在270公斤以上。
Black bears are one of the largest mammals in North America. They're about three feet high at the shoulder and six feet long and can easily weigh 300 pounds.
黑熊是北美最大型的哺乳动物之一，四肢着地肩高约有0.91米，身长约1.83米，体重大多在270公斤以上。
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