Only now can mountaineers reclaim the upper reaches. 山地动物只有此时才能 向更高的地方拓展疆土
Two miles up the crumbling precipices seem devoid of life. 两英里高的碎石崖上 似乎不可能有生命存在
and lead her cubs away from the mountain. 把它的幼崽带离山地
If she delays, the whole family will risk starvation. 若是稍有耽搁 整个家族就会面临饥荒
Summer reveals the true nature of the Rockies. 夏天揭露了落基山的真实面目
She must soon leave the safety of these nursery slopes 它必须尽快离开这个安全的斜坡“托儿所”
Males may be twice the size of a female 公熊体型可能是母熊的2倍
Her cubs, however, make light of the snow and of life in general. 可是它的幼崽在雪地里却是轻松自如 体型也和一般动物差不多
and take their first steps in the outside world. 第一次踏足这个陌生的户外世界