Dr Parsons said data from the research will also be important for oil companies looking to drill in areas where these rivers exist.

帕森斯博士表示，这些研究资料对石油公司也会非常有用，如果他们想在有暗河存在的地区钻探油井的话。

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Abruzzi is soaked with sweat as he continues to drill in the dark.

在漆黑的环境下，Abruzzi满身是汗，继续钻着洞。

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Police officers help a "victim" from a building during a mock nuclear detonation drill in Butlerville, Ind.

在Butler ville(美国印第安纳州的一个村庄)进行的一场模拟核爆炸演习中，警察帮助一名受害者逃离一幢楼房。

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It was a Republican speak-in, and their message was clear: Start the drill - offshore in Alaska, tap oil shale in Western states.

NPR: Energy A Priority As Congress Returns From Break

The Shell fleet's 14, 000-ton drill ship in Alaska, the Discoverer, slipped anchor two weeks ago.

CNN: Shell Oil's multibillion dollar Arctic hoax

It also has oil companies that may be ready to drill in ultra-deep water.

FORBES: China Stoops To Administer In Disputed Southern Waters