BBC听力 | 火山列岛 10
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Measured from the sea floor,
从海底开始测量
The wekiu's home is the tallest mountain in the world,
万寇虫的家是世界上最高的山
Sbout a kilometre taller than Everest
比珠穆朗玛峰还要高约一千米
But it won't hold this record forever
但是它不会永远保持这个记录
After millions of years of growth,
在长达几百万年的生长后
This mountain is slowly but surely losing height
这座山正在慢慢地变矮
At a rate of 20 centimetres every 100 years
以一百年20厘米的速度
In fact, it's so massive that it's buckling the sea floor beneath it
事实上，它巨大到把底下的海床压弯了
And sinking into the ocean
然后大部分沉到了海底
Mauna Kea's future can be glimpsed in the Society Islands of French Polynesia
莫纳克亚山的未来可预见于 法属波利尼西亚的社会群岛
The peaks of these islands once rose much higher than this from the ocean floor
这些山的顶峰从海底起 曾经上升得更高
It's been almost 2 million years since their volcanoes first broke through the ocean
大概有两百万年，自从这些火山从大海里爆发而出
But erosion is washing away their volcanic cores
但是侵蚀作用正在冲掉火山的核心
Now the only growth occurs just below sea level,
如今 唯一的生长现象只出现于海平面以下
On what was once the mountain's sloping flanks
在山曾经的倾斜侧翼上
In the shallow waters around an island's base,
在岛屿周围的浅水区里
Coral reefs rise towards the surface
珊瑚礁从表层生长
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