据估计，破裂的冰重达300万吨。
It is estimated that the ice that broke off weighed three million tons.
在这些地区有巨大的冰帽，是由过去5万年的降雪形成的。
In these regions there are vast ice-caps formed by snow that has fallen over the past 50,000 years.
诺菲尔创造了9个这样的冰储量，他计算出他已经储存了大约20万立方米的水。
Having created nine such ice reserves, he calculates that he has stored about 200,000m³ of water.
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