After weeks of marching they're desperately tired. 经过数周的长途跋涉 它们都已是精疲力尽

319. A pack this size kills once a day and everything is shared.
     这种规模的狗群每天都得进行一次捕杀 并且一起分享猎物
320. And this impala is reprieved.
     这只黑斑羚只不过被延缓了行刑的日子
321. The elephants are nearing the end of their long journey.
     象群正接近漫长旅途的终点
322. After weeks of marching they're desperately tired.
     经过数周的长途跋涉 它们都已是精疲力尽
323. The matriarch can smell water
     母象首领闻到了水的气味
324. and encourages the herd to make one last effort.
     它鼓励象群再做最后的努力
325. The youngsters are exhausted
     小象疲惫不堪

来自《行星地球 第一季 第一集 Planet Earth S01E01 从北极到南极》第 322 行