无尽汪洋 09-英语听力

[00:00.78]The survivors of the ***** were at the mercy of sharks. *****
船员幸存于鲨鱼的仁慈。 [00:05.27]As one sailor wrote, "Our utmost efforts,
正如一名船员写到，“我们尽最大努力 [00:07.71]which were at first directed to kill him for prey,
从一开始的杀掉他作为猎物 [00:10.84]became, in the end, self-defence."
变成最后的自卫。” [00:14.17]Now, more than ever, they needed the salvation of land.
现在，他们最需要陆地的拯救。 [00:18.88]Seabirds would have been a ray of hope.
海鸟似乎是一线希望。 [00:21.56]While tropic birds can survive at sea for months on end,
热带鸟可以在海上存活数月， [00:25.81]others, like frigate birds, return to roost every night,
其他的，像军舰鸟每晚都返回陆地栖息。 [00:30.31]so are a sure sign of nearby land.
所以可以肯定的使附近有陆地。 [00:34.55]Guided by the sun, stars and the Earth's magnetic field,
在太阳，信息以及地球磁场的引导下， [00:39.00]seabirds navigate over thousands of miles of featureless ocean.
海鸟可以在无尽的海洋上迁徙数千英里。 [00:43.76]They must all return to land to breed,
它们都得回陆地繁殖， [00:46.54]often on little more than dots of sand,
经常在弹丸之地， [00:49.27]which makes their navigational skills even more impressive.
使得它们的迁徙技术如此了不得。