Foor! How comes that there are any polar bears in Africa.
傻瓜！非洲怎么会有北极熊呢
Polar bears are amazing hunters.
北极熊是功夫精湛的猎手
In North America, the participants are called polar bears.
在北美洲，冬泳爱好者被称作北极熊。
And why penguins and polar bears never meet
适合高年级儿童阅读。
Polar bears and Arctic seals are suffering.
北极熊与海报正在受苦。
Their favourite food is seals. Polar bears also hunt arctic hare.
它们最喜欢吃海豹，也会猎食北极兔。
Polar bears hunt ringed seals, which live under the Arctic ice.
北极熊猎食住在北极冰层下的环斑海豹
Species in the Arctic, such as polar bears, would lose their habitats.
北极的一些物种，如北极熊，将失去它们的栖息地。
We are as wide asunder as the poles. polar bears, denizens of the frozen north
我们天南地北相隔极远。北极熊，北极冰天雪地的老住户
That's bad news for the polar bears.
北极熊的噩耗
Polar bears on Hudson Bay fast during the summer, waiting for ice to form in the fall to hunt.
哈德逊湾的北极熊在夏天禁食，等待秋天结冰以猎食。
Polar bears prefer eating blubber to meat.
对于北极熊来说，鲸的脂脂比肉更有吸引力。
I like polar bears.
我喜欢北极熊
Forget polar bears or penguins.
忘掉北极熊和企鹅吧。
A ringed seal scans for polar bears before snatching a breath.
一只环斑海豹在浮出水面前扫视周围是否有北极熊。
These are Tundra Buggies, designed to bring people to polar bears.
这些是苔原车，是研究者用于接近北极熊的交通工具。
Starving polar bears turn to cannibalism.
饥肠辘辘的北极熊不得已同类相食。
Among a flurry of gulls, three polar bears are tugging at the carcass.
在一群慌乱的海鸥中间，三只北极熊正在争抢食物。
A whale carcass left by Inupiaq whale hunters provides food for the stranded polar bears.
捕猎依努皮亚鲸鱼的猎人们为滞留的北极熊留下食物。
Polar bears are masters at conserving energy.
北极熊是保存能量的专家。
There is considerable variability in the size of individual polar bears.
每一极地熊得大小差异很大。
Take polar bears with dart guns.
拿射镖枪在北极熊身上作记号。
polar bears, denizens of the frozen north
北极熊，在冰天雪地的北方生活的动物
And just like the polar bears, these animals depend on an icy environment.
就像北极熊一样 这些动物依赖着冰川才能生存
Polar bears, desert gazelles and sharks were allthe list of species facing extinction.
北极熊，沙漠瞪羚和鲨鱼都已经被列入濒临灭绝的物种。
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