She has traveled around the world, spreading the word about the oceans' current condition and what we can do.

她曾到世界各地旅行，传播海洋现状的知识以及教育大家应该怎么做。

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As investigations have produced no evidence that the H5N1 virus is spreading easily from person to person, WHO has not raised its current level of pandemic alert.

由于调查未产生依据说明H5N1病毒已容易发生人际传播，世卫组织未对其当前的大流行预警级别进行升级。

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The earth's current climate is something of an anomaly; in the past 700,000 years, there have been at least seven major episodes of glaciers spreading over much of the planet.

地球目前的气候状态很是不稳定；在过去的70万年间，我们的星球大约经历了7次冰川时期。

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