Some animals such as bears, frogs and snakes, sleep all winter.
有些动物整个冬天都在睡觉，如熊、青蛙和蛇。
Heart rate tracking for three of the Alaska bears showed a drop from 55 beats per minute on average before hibernation to 14 erratic ones per minute in winter.
对三头阿拉斯加的黑熊的心率追踪显示出它们在冬眠前的平均每分钟55 下降低到了冬天里每分钟飘忽不定的14 下。
Bears will hibernate, sleeping through the winter.
熊会冬眠，整个冬天都在睡觉。
One of the most interesting characteristics of bears, including the black bear, is their winter sleep.
熊类，包括黑熊的最有趣的一个特点是他们的冬眠。
Everything the bears do seems to unfold in slow motion, as if they're trying to conserve every last calorie for the coming winter.
两只熊的争斗似乎就像放慢镜一样，好像他们都在为很快到来的冬季尽量多储备些热量。
The bears are slowly congregating along the coast, anticipating the winter freeze of Hudson Bay when they can get onto the ice and hunt their favorite meal of ringed seal.
这些北极熊在冬天慢慢地聚集到岸边，因为他们能在寒冷的冰层上猎到自己的美味——环斑海豹。
She-bears normally give birth to tiny walnut-sized cubs during their winter hibernation and suckle them for months as they grow, before the spring thaw awakens the mother and she leaves her den.
母熊通常在冬眠期间产下胡桃大小的幼仔，哺乳几个月，小熊们渐渐长大，当春天来临大地解冻时，母熊从冬眠中醒来，离开巢穴。
The bears den up together during the winter.
冬天熊一起在洞穴里冬眠。
It is something that gathers strength with patience, grows despite obstacle warms in winter, flourishes in spring, casts a breeze in summer, and bears fruit in autumn-i found Love.
它以耐心积聚力量，在重重困难中成长，在严冬获得温暖，在春天开花生长，在夏天送去柔柔清风，在秋天繁茂结果——那就是爱情。
Bears wake for spring, summer, and fall and hibernate for the winter.
熊在春天、夏天和秋天保持清醒，在冬季冬眠。
Wee found that polar bears — like their nearest relatives the brown bears — are incapable of reducing their metabolic rate to the level that we see during winter hibernation.
我们发现，类似于它们最近的近亲棕熊一样，北极熊是无法把它们的代谢率降低到我们所知的冬季冬眠时的标准的。
Bears hibernate in caves during the winter.
冬季熊在洞穴中冬眠。
Bears wake up in the spring after a winter of hibernation.
熊经过一个冬天的冬眠后在春季苏醒。
It is something that gathers strength with patience, grows despite obstacles, warms in winter, flourishes in spring, casts a breeze in summer, and bears fruit in autumn-i found Love.
它以耐心积聚力量，在重重困难中成长，在严冬获得温暖，在春天开花生长，在夏天送去柔柔清风，在秋天繁茂结果——那就是爱情。
Bears are inactive during the winter.
熊在冬天变得怠惰。
When winter comes , baby bears are going to hibernate.
当冬季来临的时候，熊宝宝将要冬眠。
Unlike other bears they do not hibernate because in the rainforest they dont have winter months as harsh as the rest of the world.
同其他的熊不一样，牠们不冬眠。因为在热带雨林牠们不会碰到像世界其余地方那样严酷的冬季。
So the bears, which must consume up to 20,000 calories a day to pack on weight before winter hibernation, are increasingly prowling through towns and suburbs in search of food.
而黑熊在冬眠之前每天需要摄取2万卡路里以增加体重，于是它们就开始越来越多地来到城镇和市郊寻找食物。
One of the most interesting characteristics of bears, including the black bear, is their winter sleep.
熊类，包括黑熊的非常有趣的一个特点是他们的冬眠。
Young male polar bears SPAR under the low light of winter in Svalbard, a cluster of islands halfway between Norway and the North Pole.
在挪威和北极之间的半途上有的一群岛屿，称为斯瓦尔·巴特群岛。在冬季微弱阳光的照耀下，岛上的雄性北极熊仔在对打。
Young male polar bears SPAR under the low light of winter in Svalbard, a cluster of islands halfway between Norway and the North Pole.
在挪威和北极之间的半途上有的一群岛屿，称为斯瓦尔·巴特群岛。在冬季微弱阳光的照耀下，岛上的雄性北极熊仔在对打。
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