In all eighty million seabirds come here for the summer 总计约有8000万只海鸟到这里度夏

253. With the retreating ice, rough weather and ferocious currents stir up these shallow seas.
     随着冰雪的消退,暴烈的天气 和汹涌的洋流把这片浅海搅得天翻地覆
254. Add sunshine and the mix is spectacularly productive.
     再加上阳光,这种组合的产生了大量的养分
255. Five million shearwaters have flown almost ten thousand miles from Australia to get here.
     500万只水雉鸟 从澳大利亚飞行了近万英里来到这里
256. In all eighty million seabirds come here for the summer
     总计约有8000万只海鸟到这里度夏
257. the greatest concentration to be found anywhere on Earth.
     到处都是世界上最伟大的聚集
258. The humpbacks have finally arrived.
     座头鲸终于抵达
259. The giant shearwater flocks hunt the krill swarms
     庞大的水雉鸟群大量捕食磷虾

来自《行星地球 第一季 第九集 Planet Earth S01E09 海洋》第 256 行