From famine to feast - 它已经很久没有打牙祭了

59. battle their way for hundreds of miles upstream.
    奋力逆流而上数百英里
60. Up here, there are fewer predators to eat their eggs and fry.
    只因上游很少有捕食鱼卵 和鱼苗的掠食者
61. A grizzly bear.
    一只灰熊
62. From famine to feast -
    它已经很久没有打牙祭了
63. he's spoilt for choice.
    早就盼着这个机会
64. This Canadian bear is very special -
    这只加拿大熊很特别
65. he's learnt to dive for his dinner.
    它学会了潜水捕猎

来自《行星地球 第一季 第三集 Planet Earth S01E03 淡水》第 62 行