All the inhabitants of the Great Plains are exposed to the elements. 所有生活在草原上的动物 都必须面对大自然残酷的一面
Gazelles are born to run and even young calves easily outpace the flames, 瞪羚是天生的跑步能手, 即使是小瞪羚 奔跑速度也快过火势蔓延的速度
There are no bushes, no trees. There's only one thing to hide behind. 这里没有矮小的灌木 也没高大的乔木 只有一样东西可以藏身其后
Two million are thought to live here, but no one really knows. 共约两百万只瞪羚生活在此处 但具体数量仍不得知
Whether they are ready for the bigger changes 它们是否已经做好了适应更大的变化
Most of their lives are now spent alone, 它们一生的大部分时间都独来独往
In the Arctic, the two polar bear cubs are now independent of their mother 在北冰洋 两只小北极熊现在可以离开妈妈独立生活了
By early summer, the chicks are surprisingly well-developed 到了初夏 小企鹅已经发育得非常良好