【BBC南太平洋】漂流者 17

英语自学网

【本集内容简介】
    在南太平洋并没有荒岛这一回事。它们也许是地球上最偏僻，但2万余个岛屿个个都被开拓了，从新几内亚，天堂鸟的家园，部落野蛮的成人仪式将年轻的战士变成鳄鱼人，到斐济，法属玻利尼西和夏威夷。
　　这是最后漂流者的故事，从咸水鳄和巨鳗到冠鬣蜥和怪蛙，为了成功不顾一切到达数千哩远的岛屿。这些旅程是很好的功绩。据估计每6万年才有一个物种到达夏威夷。难以相信，这么多的开拓者到达这些受到大自然像龙卷风和海啸接二连三粗暴打击的岛屿。
　　南太平洋首次人类，玻利尼西亚人的航行，难以忘怀。这些旅程的确是最伟大的探索行动，甚至可以断言，他们永远地改变了南太平洋的大自然。
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59s处有一破折号 -At night, the forests are eerily quiet. Only a handful of bats made it here, the only mammals to do so, and there are far fewer birds. In the absence of ground predators, invertebrates evolved into monsters. This millipede is one of the biggest of its kind, running almost a foot long. Its diet of rotten vegetation may have sustained its ancestors on their long journeys to these distant shores. But how did they get here? Perhaps more surprising, two species of frog also made it to Fiji. Surprising because adult frogs quickly die in saltwater. But the ancestor of this frog may have arrived here as a tadpole. Tadpoles normally need pools of freshwater to develop in, but these actually mature inside the egg. So, on long journeys, these eggs would have been like little survival capsules. But the question remains - how did they ever reach these islands? Maybe the same way as Fiji's most intriguing castaway of all.夜晚的森林安静得可怕。林中只有几只蝙蝠，它们是唯一成功来到斐济的哺乳动物，鸟便更少了。由于地上没有掠食者，无脊椎动物演化成了怪物。这只千足虫是该物种中最大的，身长近乎一英尺。以腐败的植物为食使得它的祖先能够支撑到达这些遥远海岸的长途跋涉。但它们是如何来到这里的？也许还有更惊奇的事，有两种蛙也来到了斐济。说它惊奇是因为成年蛙在盐水里很快就会死去。但这种蛙的祖先可能是以蝌蚪之身来到这里的。蝌蚪通常需要在淡水池中发育，而这些蝌蚪却是在卵中发育成熟的。在长途跋涉中，这些卵就如同小型救生舱一样。但问题仍未解决，它们是如何来到这里的？或许它们使用的是和斐济最新奇的漂流者相同的方法。