every night becomes as bitterly cold as winter. 每个夜晚都像冬天般寒冷
To survive a winter in these mountains takes tenacity, 想要渡过山里的冬天需要坚韧不拔的意志
This bobcat is one of the few hunters to remain active in winter. 山猫是少数冬天还在活动的捕猎者
Winter in the mountains returns fast and hits hard. 山里的冬天来得迅猛
and the bears are keen to shed their thick winter coats. 灰熊急切地想脱下它们厚重的冬衣
And while they were half-asleep in the depths of winter, 他们在隆冬半梦半醒之际
grizzly bears make their winter dens 灰熊将巢筑在背风坡厚厚的积雪之下
Yet one animal spends the whole winter slumbering 然而有一种动物整个冬季
will survive the perils of the mountain winter. 才能在山脉的寒冬中存活下来