美国地质调查所预计北极地区可能拥有900亿桶石油和47兆立方米的天然气，但是大多都存在于格陵兰境外（其它调查结果更不乐观）。

The United States Geological Survey estimates that the Arctic could hold 90 billion barrels of oil and 47 trillion cubic metres of gas, much of it off Greenland (other surveys are more modest).

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根据美国地质调查局，更多的淡水储存在地下，其数量多于在地球表面上以液体形式所呈现的水。

There is much more freshwater stored in the ground than there is in liquid form on the surface, according to the USGS.

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这张照片显示的可不是保存神秘约柜(藏于古犹太圣殿至圣所内、刻有十诫的两块石板)的仓库，而是美国国家地质调查所的冰芯实验室。

No, this picture doesn't show the warehouse where they're keeping the Ark of the Covenant; it's the US Geological Survey National Ice Core Lab.

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地图数据源自美国地质调查局及环境系统研究所。

Data for the map were obtained from U. S. Geological Survey (USGS) and Environmental System Research Institute (ESRI).

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地图数据源自美国地质调查局及环境系统研究所。

Data for the map were obtained from U. S. Geological Survey (USGS) and Environmental System Research Institute (ESRI).

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