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

316. They've made a kill in the forest
     它们已在树丛中捕到了一只猎物
317. and this is an invitation to join in the meal.
     这是邀请它们加入宴席的信号
318. The impala is in luck.
     这只黑斑羚非常走运
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

来自《行星地球 第一季 第一集 Planet Earth S01E01 从北极到南极》第 319 行