物种灭绝的威胁增加

More than a third of species assessed in a major international biodiversity study are threatened with extinction, scientists have warned.

科学家警告，一项主要的国际生物多样性研究评估得出结论，超过三分之一的物种处于灭绝的危险之中。

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澳大利亚的研究人员在对《纽约时报》2009年到2011年期间的1000条讣告分析后发现，演员、歌手及体育明星等事业成功的公众人物寿命普遍都比其他领域的成功...

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