Today, we know that a virus with great pandemic potential, the new strain of the H1N1 virus, has emerged from another source on another side of the world.

今天，我们知道一种具有大流行强大潜力的病毒，即H1N1病毒的新毒株，从世界上另一边的另一个来源产生。

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The newly discovered strain can be used to make fuel from any source of cellulose, not just paper.

这个新发现的菌株可以利用任何来源的纤维素，不只是纸。

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The newly discovered strain can be used to make fuel from any source of cellulose, not just paper. TU-103 was discovered in animal feces.

这个新发现的菌株可以利用任何来源的纤维素，不只是纸。事实上这种微生物是从动物粪便里发现的。

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Of the 700 teachers who completed the ATL questionnaire, 52% thought pressure to be popular on social networking sites was also a source of strain.

BBC: Pupils 'under greater pressure'

As ETFs have exploded in popularity, they also have become the source of concern that the structure distorts prices or would break under the strain of investors bailing out en masse.

WSJ: Gold ETFs Shine in Midst of Tumult

Eggs have not been a major source of infection in humans for this particular strain of salmonella, enteritidis, in the last twoor three years, said Patrick McDonough at Cornell University's School of Veterinary Medicine.

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