- The giant shearwater flocks hunt the krill swarms
庞大的水雉鸟群大量捕食磷虾 - sometimes diving to depths of forty meters to reach them.
有时它们潜到40米深 - A large humpback eats three tons of krill a day.
一头成年座头鲸每天能吃掉3吨磷虾 - The polar seas in summer are the most productive on the planet
夏季的极地海域是地球上最多产的 - and the whales gorge themselves round the clock.
鲸鱼昼夜不停地在此进食 - The fat reserves they lay down now
它们现在积累的脂肪 - will keep them alive during the year to come
可以支持到明年再来
The polar seas in summer are the most productive on the planet 夏季的极地海域是地球上最多产的
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