What happens is you have deep underground oil deposits and there are bacteria.

事实是，你有很深的地下石油储藏，那里还有细菌。

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The oil price increases sent Europe into deep recession.

石油价格的上涨使欧洲陷入严重的经济衰退。

《柯林斯英汉双解大词典》

Central to the operation is a mile-deep well, dug originally to explore for oil.

那次行动的重点是一口原本为勘探石油而挖的一英里深的井。

《柯林斯英汉双解大词典》

A new underwater video - released as the latest hearings began - shows oil continuing to spill from the deep water well.

VOA: standard.2010.05.18

President Obama will speak after returning from his fourth trip to the Gulf region since the April 20 explosion and fire, which killed 11 workers and ruptured a deep-sea oil well.

VOA: standard.2010.06.15

Pemex, the state-owned oil company that dominates the Mexican economy, recently announced deep-water oil discoveries in the Gulf of Mexico, suggesting the company might be able to slow the decline of its production.

FORBES: The Mexican Miracle: Despite Drug War, Economy Is Booming

Complicating matters, Mexico's oil output has slipped to 2.55 million barrels a day from a peak of 3.4 million in 2004, as easy oil in the Gulf is replaced by more difficult reserves of deep-water oil and heavy oil onshore.

WSJ: Mexico Sees Energy as Key to Reset Economy

There is little hope of passing urgent legislative business, such as a long-stalled deal on sharing proceeds from deep-sea oil drilling between states, while politicians gossip, plot and counter-plot.

ECONOMIST: Corruption in Brazil