We Americans have been galvanized by the oil spill on our gulf coast, because we see tar balls and Dead Sea birds as visceral reminders of our hubris in deep sea drilling.

我们美国人对墨西哥湾漏油事件感到震惊，是因为原油球块和死去的海鸟深刻地提醒我们，我们在深海钻探方面是多么的狂妄自大。

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By 2011 scientists aboard a Japanese deep-sea drilling ship called Chikyu hope to start drilling through a thin piece of oceanic crust to reach Earth's mantle.

2011年，科学家们将登上日本一艘名为“地球号”的深海钻井船，他们希望通过钻开一块薄的大洋地壳到达地幔。

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The oil is considered "technically recoverable" using existing technology, but the USGS did not consider the cost of overcoming obstacles to drilling, such as permanent sea ice or deep waters.

从技术层面上来讲，利用现有的技术是可以开发（北极的）石油的，但是美国地质调查局并没有考虑为克服开采困难而产生的成本，如永久海冰以及海洋深水。

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It will require renewed deep sea drilling and exploration though.

FORBES: We Need To Find 36 Million More Barrels Of Oil A Day

Few have the background in oil and gas engineering to help Petrobras expand its operations in deep sea drilling off the Atlantic.

FORBES: Brazil's Strengthening Currency Poses Competition Problem

The first minister rejected calls from the Scottish Green party leader, Patrick Harvie, to support a ban on deep sea drilling of Scottish waters.

BBC: First minister's questions