A hundred miles from the Mexican coast, 距墨西哥海岸100英里,

269. Somewhere, beneath the surface below, there is the food it must have.
     水下某个地方一定有食物
270. But where?
     可在哪里呢?
271. Those that fly above the ocean must be able to read the signs of fresh supplies, or perish.
     飞越海洋的鸟类必须懂得寻找食物的踪迹, 不然就意味着死亡
272. A hundred miles from the Mexican coast,
     距墨西哥海岸100英里,
273. and keen eyes have spotted movement.
     军舰鸟锐利的眼睛正在搜寻
274. Sailfish, three meters long, are closing in on prey.
     3米长的旗鱼正在接近猎物
275. They will only use just enough energy to make their kill
     它们只用恰到好处的力量来猎杀

来自《行星地球 第一季 第十一集 Planet Earth S01E11 海洋深处》第 272 行