At this time of the year bears should be fattening up for the winter. 在每年的这个时候 熊必须为越冬储备脂肪
This huge mountain chain continues the great spine that runs from Patagonia to Alaska. 巨大的山系脊梁从巴塔哥尼亚 一直延伸到阿拉斯加
Rearing four cubs to this age is an exceptional feat, 把4只小狮养到这么大 是很了不起的业绩
This vast range stretches 5,000 miles from the Equator down to the Antarctic. 这座巨大的山脉 从赤道向南极绵亘5000英里
but this is a special alliance from which both partners benefit. 但是这种特殊联盟能使双方都得到好处
this land was just as flat and as deep as the Danakil Depression. 这片土地像达纳吉尔凹地一样平坦深陷
Lava rises to the surface through this crack in the crust 熔岩经过这条地壳裂缝涌上地表
This is the Danakil Depression in Ethiopia, 这里是埃塞俄比亚境内的达纳吉尔凹地