and they're now roosting among the rocks. 栖身于岩石缝隙之中
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
Battered by hurricane force winds, these slopes are now lifeless. 凛冽的山风在崖坡上呼啸肆虐 生命根本无法在此扎根
Although the cubs are now as large as their mother, 虽然小狮已长到和它们的母亲差不多大
These youngsters are now ready and eager to make the most of the brief Antarctic summer. 现在 这些小家伙们已经做好准备 急切盼望着享受南极那短暂的夏天
Now at last the Emperor penguins abandon their huddle. 现在 帝企鹅们终于不用再挤在一起了
These are now among the rarest of Africa's mammals, 它们现在已经成了非洲最稀有的哺乳动物
It's now becoming clear that great whites migrate thousands of miles across the oceans 可以肯定的是 大白鲨长途跋涉数千英里横越大洋