Of the nineteen recognized polar bear subpopulations, three are declining, six are stable, one is increasing, and nine lack enough data.
在19个公认的北极熊亚种群中，3个在下降，6个较稳定，1个在增加，9个缺乏足够的数据。
Although polar bears' locomotion is similarly inefficient, polar bear cubs walk along with their mother.
尽管北极熊的运动能力同样低下，北极熊幼崽还是和妈妈一起前行。
The polar bear is the largest terrestrial carnivore, being more than twice as big as the Siberian Tiger!
北极熊是陆地上最大的肉食性动物，比西伯利亚虎都要大两倍多！
There're lots of animals in the North Pole, for example, whale, polar bear, and sea dog, and I like polar bear best.
在北极有很多动物，比如鲸鱼、北极熊、海狗等，而我最喜欢北极熊。
The leases come with painstaking stipulations to mitigate any possible environmental harm to species like the polar bear.
这些租约附带了细致的条款，以减轻对北极熊等物种的任何可能的环境伤害。
Before we all turn our thermostats down or consider joining the Polar Bear Club, can brown fat actually cause weight loss?
在我们把所有恒温关掉或考虑加入北极熊俱乐部之前，棕色脂肪真的能让体重减轻吗？
A hunter who took what appeared to be a baby polar bear from the North Pole has been found and will face strict punishment.
一个猎人从北极捕获了一只疑似北极熊幼崽的动物，目前已被发现，他将面临严厉的惩罚。
Food onshore is very limited and there is simply nothing comparable to a seal that provides a polar bear with fat and energy.
陆上食物是非常有限的，根本没有什么能与一只海豹所能给北极熊提供脂肪和能量相比。
In ''On Thin Ice'', Richard Ellis, a writer and illustrator, paints a natural history of the icon of the north, the polar bear.
在《薄冰之上》一书中，作家兼插画家理查·埃利斯描绘了北极图标，北极熊的自然史。
While a polar bear is sleeping on an ice berg with its paws clutched around, it is like a toddler holding their teddy bear. That is truly cute!
当北极熊抱着爪子睡在冰山上时，它就像一个蹒跚学步的孩子抱着他们的泰迪熊。那真的很可爱！
Modern methods for tracking polar bear populations have been employed only since the mid-1980s, and are expensive to perform consistently over a large area.
跟踪北极能种群的现代方法仅在20世纪80年代中期才被采用，而且，要在大范围内连续采用这种方法，其代价非常高昂。
On the contrary, they are not developed on the endocast of the polar bear.
相反，它们不是在北极熊的颅腔上发育的。
Polar Bear Swims for Nine Days, Pays Heavy Price
九个昼夜不停地游动，北极熊最终到达冰面，可是代价沉痛
BLOG: Polar Bear Swims for Nine Days, Pays Heavy price.
部落格：北极熊游了9天，付出沉重代价。
A polar bear returns to the whale carcass to feed at dusk.
北极熊在黄昏时返回鲸鱼尸体找食物。
Creative bookshelf shaped like a polar bear designed by ibride.
由ibride设计的北极熊造型创意书架。
Animals lovers around the world mourn the loss of beloved polar bear, Knut.
世界各地的动物爱好者为他们失去了深爱的北极熊克努特而悲痛。
Somewhere between 20 to 90 people are attacked each year by the polar bear.
一些地方，每年有20 - 90人被北极熊攻击。
In 1995 Per's first officer, out on the ice one day, was killed by a polar bear.
1995年的一天，佩尔船上的大副走到冰面上遭北极熊袭击而死。
Knut was the first polar bear to be born and raised at the Berlin Zoo in 33 years.
他是33年内首只在柏林动物园出生并长大的北极熊。
The famous polar bear died unexpectedly Saturday in the zoo's polar bear enclosure.
这个有名的北极熊周六在动物园的北极熊场所突然死亡。
Kaktovik resident and polar bear guide Robert Thompson is concerned for the future.
卡克托维克当地居民、北极熊导游robertThompson十分关注未来。
Churchill, Manitoba, Canada, is home sweet home to this polar bear and her two cubs.
加拿大的马尼托巴湖丘吉尔河是这只北极熊和它的熊宝宝的甜蜜家园。
Polar bear Knut takes a bath in his outdoor enclosure at the zoo in Berlin, Germany.
德国柏林动物园的北极熊努特正在室外洗澡。
Join a polar bear club or sing along with a busker in the streets and see what happens.
加入北极熊俱乐部或者跟着街头歌手一起卖唱看看会有什么事情发生。
If you can handle not living like a polar bear, try keeping your thermostat at 78 degrees.
如果你不想房间里冰冷冰冷的，像住在北极一样，可以把你的温度调节器调到78度（华氏摄氏度）。
Hunting polar bear and walrus, they soon had fresh meat aplenty and regained their strength.
靠着捕猎北极熊和海象，他们很快就吃上了丰富的鲜肉并恢复了体力。
Another is that the number of humans who venture into polar bear territory remains somewhat low.
另一个理由则是，冒险进入北极熊领地的人还是少之又少的。
Polar bear patrols are carried out daily by the local community and the US Fish and Wildlife Service.
北极熊每日动向由本地和美国鱼类和野生动物组织负责。
Polar bear patrols are carried out daily by the local community and the US Fish and Wildlife Service.
北极熊每日动向由本地和美国鱼类和野生动物组织负责。
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