当地人称它为“蓝钻石“；它的颜色来自于古老冰川中心几个世纪压缩冰的崩裂。
Locals have nicknamed it "blue diamond"; its colour comes from being cleaved from centuries-old compressed ice at the ancient heart of the glacier.
我们被引导着去相信我们能找到很大一部分经过多年冻结形成的更古老、更厚的冰层，这些冰已经存在很多年了，而且会越来越厚。
We'd been led to believe that we would encounter a good proportion of this older, thicker, technically multi-year ice that's been around for a few years and just gets thicker and thicker.
最古老的冰在东南极圈被发现，现存的三个最古老的冰芯在Dome C, Dome F and Vostock三处被钻孔。
The Earth's oldest ice is found in East Antarctica. The three oldest existing ice cores were drilled at Dome C, Dome F and Vostock.
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