BBC听力 | 海洋岛屿 13
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This female carries the answer -
雌性带来了答案 ---
Thousands of eggs
有数千枚卵
which will soon be left to the mercy of the ocean currents.
会从洋流中幸存下来
A few shakes of her tail are all that's needed to send them on their way.
她摇动尾巴，把卵全部送上路
The eggs will hatch immediately.
卵会立刻孵化
Then the larvae will have just 50 days to find a new home above the water.
幼体会在50天内找到新家摆脱困境
For animal castaways
对于漂流的动物来说
finding new land in this vast ocean was a chance in a million.
在广阔的海洋中找到新陆地的机会很小
To beat the odds, luck was needed,
更多的是运气而不是机会
and this sometimes came from an unlikely source -
有时候来自不可预估的原因 ---
Cyclones.
龙卷风
Each year, these powerful tropical storms form over the huge ocean.
每年这些强大的热带风暴从广阔的海洋上空形成
The largest can span more than 600 miles.
最大的龙卷风横跨600哩
Cyclones are one of the most destructive forces in the South Pacific.
气旋是南太平洋最具破坏性的力量之一
Yet surprisingly, they have played a critical role
令人惊讶的是它们扮演着
in spreading life to the loneliest islands.
使生命蔓延到与世隔绝的岛屿的重要角色
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