If efforts to dam the Shell oil spill prove unsuccessful the final amount of oil leaked into the North Sea could be four times greater than it is at present, the company admitted on Wednesday.

周三壳牌公司承认，如果阻止壳牌原油泄漏的努力以失败告终，北海泄漏原油总量可能达到目前泄漏量的四倍多。

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Shell Oil, frustrated last year by lawsuits filed by environmentalists and Alaskan natives, is eager to start exploiting its leases in the Beaufort Sea.

壳牌石油公司急不可待地要在他们租赁的波弗特海区开始开采，去年，该公司因被环境学家和阿拉斯加土著居民所起诉而备受挫折。

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Related to sea slugs, nudibranchs are shell-less mollusks that display some of the most vibrant colors found anywhere in nature.

海兔和海蛞蝓是近亲，本身是一种无壳的软体动物，其身体能发出存在于自然界中大多数颜色鲜亮的光芒。

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Shell to sea is made up of locals and activists some Irish some from foreign shores but who have one thing in common, that is that the stench of treachery in the County of Mayo is so obscene to them , that standing on the side lines holding their noses is just not an option .

FORBES: Oil Riches In Ireland Could Be Vast

The first part of the operation to stop the Shell pipeline leaking oil into the North Sea has, according to the company, been successful so far.

BBC: Shell claims progress on North Sea oil leak

In Galveston, he taught me to hear the sea in a shell.

NPR: Linda Ellerbee, Taking 'Big Bites'