标签：北极熊 相关文章

英语听力：自然百科 北极熊 冰上间谍 Spy_Bear—21

Blizzardcam nearly met its match with the most playful bear it's ever encountered. The bear wanted to know how it worked. Blizzardcam deployed snowballcam as a decoy. This was the polar bears' favorite spy camera and this young male was no exception.

发表于:2018-12-03 / 阅读(67) / 评论(0) 分类 自然百科2010年

英语听力：自然百科 北极熊 冰上间谍 Spy_Bear—20

The mother and cub are thrown a lifeline by a change in the weather and ocean currents. It is a huge swim out to the ice floes for the little cub. He finally makes it to the ice, nine months after he was born. His mother has triumphed against the odd

发表于:2018-12-03 / 阅读(96) / 评论(0) 分类 自然百科2010年

英语听力：自然百科 北极熊 冰上间谍 Spy_Bear—19

Finally she leaves him some scraps to chew on. A young male arrives, a dangerous situation for the cub. She growls a warning. Its not enough. The cub slips. The mother must get her cub away from danger as quickly as possible. They head north. She kno

发表于:2018-12-03 / 阅读(60) / 评论(0) 分类 自然百科2010年

英语听力：自然百科 北极熊 冰上间谍 Spy_Bear—18

Calcium from the bones will help the mother's milk supply, but the cub needs meat to survive. Now they have another problem. Other bears can't be trusted with small cubs. But fortunately they seem more interested in what lies beneath the surface. It

发表于:2018-12-03 / 阅读(76) / 评论(0) 分类 自然百科2010年

英语听力：自然百科 北极熊 冰上间谍 Spy_Bear—17

At last, there is hope. They have finally reached the pack-ice that forms the polar icecap. Its the ultimate hunting habitat for polar bears. The icecap stretches all the way to the North Pole. Seals are found wherever it meets the sea. Its been a lo

发表于:2018-12-03 / 阅读(57) / 评论(0) 分类 自然百科2010年

英语听力：自然百科 北极熊 冰上间谍 Spy_Bear—16

But it's not enough. For a hunting bear, it doesn't get much worse than this. The seal could hardly fail to notice. But this battle-hardened seal is in no rush. Finally he gains some purchase, he's back in the game. He still believes he's in with a c

发表于:2018-12-03 / 阅读(80) / 评论(0) 分类 自然百科2010年

英语听力：自然百科 北极熊 冰上间谍 Spy_Bear—15

Time for kick off. It's polar bear football. Their ball control needs practice. But they are experts at dribbling. The game descends into argument. The spycams return to the benches, the bears may be play-fighting, but things still get out of hand. M

发表于:2018-12-26 / 阅读(64) / 评论(0) 分类 自然百科2010年

英语听力：自然百科 北极熊 冰上间谍 Spy_Bear—14

This is a high-risk strategy. Like the male at the whale carcass, some bears don't do sharing. She stands up to make herself look bigger. The cub copies. Luckily, this bear has no appetite for a fight. There is a feeding etiquette around a seal carca

发表于:2018-12-26 / 阅读(64) / 评论(0) 分类 自然百科2010年

英语听力：自然百科 北极熊 冰上间谍 Spy_Bear—13

If it hasn't already been seen, that is. The bears at the whale carcass are in food heaven, but their peace is about to be shattered. This male heavyweight prefers to eat alone. He is bigger than the other bears and likes to throw his weight around.

发表于:2018-12-26 / 阅读(53) / 评论(0) 分类 自然百科2010年

英语听力：自然百科 北极熊 冰上间谍 Spy_Bear—12

They continually chatter away to each other. It's all about keeping aggression under control. Their massive claws rake the skin like knives, cutting it into strips. At two years old, this bear is testing his status, standing up to other bears. Sharin

发表于:2018-12-26 / 阅读(58) / 评论(0) 分类 自然百科2010年

英语听力：自然百科 北极熊 冰上间谍 Spy_Bear—11

Back on Svalbard, it's high summer. Barnacle geese that had overwintered in Scotland have started to breed. Their calls bring hope to hungry bears. The cub stays back as his mother explores the possibilities. Bears have only recently discovered this

发表于:2018-12-26 / 阅读(63) / 评论(0) 分类 自然百科2010年

英语听力：自然百科 北极熊 冰上间谍 Spy_Bear—10

Every hunt presents a different challenge, so he plans a new strategy each time. He slinks into the water, using a channel between the ice floes to act as cover. He swims, hardly making a sound, reaching six miles per hour at times. His front legs pr

发表于:2018-12-26 / 阅读(43) / 评论(0) 分类 自然百科2010年

英语听力：自然百科 北极熊 冰上间谍 Spy_Bear—9

Its seaweed. Kelp is not wildly exciting, but it does contain carbohydrates and some protein too. The cub must find acrobatics rather strange. Hungry bears eat virtually anything. Its a question of making the most of whats around, and its never too s

发表于:2018-12-26 / 阅读(60) / 评论(0) 分类 自然百科2010年

科学美国人60秒 SSS 气候变暖为北极熊健康带来福音

Rising Temps Lower Polar Bear Mercury Intake气候变暖为北极熊健康带来福音 As climate change warms the Arctic, sea ice there is disappearing at record ratessea ice that polar bears prefer to prowl. As a result, some bears are spending mor

发表于:2019-01-20 / 阅读(189) / 评论(0) 分类 2017年Scientific American(六)月

英语听力：自然百科 Brave Bear 北极熊觅食记

In Northern Canada, winter slowly loosens its grip, and a young polar bear is hungry. It sniffs a meal already in progress, and decides to play a dangerous game, a food snatch. His opponent is larger, older, and wont tolerate a rival. A second try, h

发表于:2019-01-22 / 阅读(56) / 评论(0) 分类 自然百科2008年

【英语原版童书】北极熊,你听到了什么(2)

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文，请发贴到 听力原文收集区 ，您将会获得10到30积分的奖励! Thank you！

发表于:2019-01-22 / 阅读(41) / 评论(0) 分类 英语原版童书

【英语原版童书】北极熊,你听到了什么(3)

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文，请发贴到 听力原文收集区 ，您将会获得10到30积分的奖励! Thank you！

发表于:2019-01-22 / 阅读(52) / 评论(0) 分类 英语原版童书

咱们裸熊 第8期:北极熊竞选总统

Perfect. Cutest video ever. Righteous, holla. Pandasingle. Icebearforpresident. 完美。史上最萌视频。标签：公正。标签：哈哈。标签：单身熊猫。标签：北极熊竞选总统。 It's public. All right. Step back. Let it brea

发表于:2019-02-08 / 阅读(63) / 评论(0) 分类 咱们裸熊

咱们裸熊 第63期:棕熊说了算

Whoa, a brick! I'm gonna go get your brothers. 哇，一块砖头！我去叫你的兄弟们。 No! They can't find out! I got to start acting like an older brother. 不！不能让他们知道！我必须开始像一个真正的大哥一样。 Hey,

发表于:2019-02-19 / 阅读(60) / 评论(0) 分类 咱们裸熊

咱们裸熊 第54期:美丽动人

Oh, Elissa...You're such a beautiful queen. Oh! What's going on? 艾丽莎...你真是美丽动人。什么情况？ Good morning. That's your new bed floor. We're gonna need this for our guest. 早上好。地板就是你的新床了。这个要给我

发表于:2019-02-19 / 阅读(65) / 评论(0) 分类 咱们裸熊
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