现在，冥王星可能是个矮行星，但是，亲爱的克莱德，在我书中你仍然是第一个发现行星的美国人。

Pluto may be a dwarf planet now, Clyde baby, but you're still the first American to discover a planet in my book.

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该研究表明，这种未受现行的保护臭氧层法规管制的气体，现在是人类活动所产生的破坏最大的臭氧层破坏物质。

The gas, which is not covered by existing regulations to protect ozone, is now the largest ozone-depleting substance produced by human activity, the research shows.

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现在，伯南克认为到不得不为美联储现行的政策作出解释。 因为这些政策正遭到强烈的反对。

Now, Bernanke felt compelled to defend the Fed's current policies, which also areattracting extraordinary opposition.

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