The crew attaches new lengths of pipe one by one from the top until the "drill string" is long enough to hit the seafloor.

船员们从这根钢管的顶部，一根一根地装上更多管道，直到这根“钻柱”足够长，能碰到海底。

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The crew attaches new lengths of pipe one by one from the top until the “drill string” is long enough to hit the seafloor.

船员们从这根钢管的顶部，一根一根地装上更多管道，直到这根“钻柱”足够长，能碰到海底。

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Scientists had long known that magma Chambers must lie in the vicinity of the drill site.

科学家们了解到岩浆房一定就在钻探地的附近。

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Oil companies have long been determined to drill in Arctic Refuge, and conservationists have been just as determined to keep them out.

CNN: Senator launches battle over drilling in Arctic refuge

Over the next five years, the team will use a long, hollow, rotating drill to cut and retrieve a cylinder of ice roughly 12 centimetres across.

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Drillers have learned to drill horizontally into long, thin seams of shale and other rock that holds oil, instead of searching for rare underground pools of hydrocarbons that have accumulated over millions of years.

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