Humans are an old species.

人类是一个古老的物种。

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Now the picture is of an increasingly violent struggle to protect a 250m year old species.

目前的情况则是为保护这一寿命达250年之久的物种而开展的斗争正日益激烈。

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The 125-million-year-old species Sinosauropteryx, for example, has bristles on its skin, and scientists found melanosomes in the tail bristles.

例如一亿二千五百万年前存活在世的中华龙鸟种群，全身长满刚毛，科学家们从它们尾部的刚毛处发现存在有黑素体。

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Lead author Beth Polidoro works for the Global Marine Species Assessment Unit, based at Old Dominion University in Richmond,Virginia.

VOA: special.2010.04.20

To me, the old were a separate species, like sparrows or foxes.

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As a 46-year old male of the species with a dwindling amount of hair on my head, the opportunity to get a haircut that makes me feel like I rock is quite enticing I must say.

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The 43-year-old fund manager is a rare species in Hong Kong's often-turbulent financial world.

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