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A little success for one of the cubs.
有只幼崽获得了小成功。
This mother bear's experience gives her family a good chance of survival until spring arrives.
这位熊妈妈的经验给了她的家庭生存到春天到来很好的机会。
They will return again and again as the thaw releases more fish.
他们将一次又一次地回到这里，因为解冻会释放更多的鱼。
On the warmer plains and valleys that surround the plateau, grazers are on the move.
在高原周围温暖的平原和山谷,食草动物都在前进。
They left the high country to avoid the worst of the winter and now begin the long journey towards the heart of Yellowstone in time for summer.
为了躲避最糟糕的冬天他们离开了家园,而现在则向黄石公园夏天的心脏地带开始长途旅行。
These elk are led by experienced adults who have made this trip many times before.
这些麋鹿是由经验丰富已经多次走过这趟旅程的成年者们带领。
注：听力文本来源于普特
