生物早期警报系统根据活生物对污染物的灵敏反应，快速确认污染事件。

Based on the sensitive response of living organisms to pollutants, early warning biological system detects pollution accident quickly.

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结果产下六只活生物，但科学家们发现，只有一只同时拥有绵羊和山羊的血蛋白。

Six live animals were born, but the scientists found that only one had blood proteins from both sheep and goats.

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为了解决这个问题，研究人员需要在这颗星球上找到活生物体并检查它们的生物化学。

To settle the question, researchers would need to find living organisms on the planet and examine their biochemistry.

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Well, you might say surely there could be creatures that would want to live forever, that would enjoy an eternal existence.

你们也许会说一定存在某种生物,会希望永远活下去，会享受一种永恒的存在。

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In fact, even if you haven't had a biology class it's hard to be alive in 2008 and not know something about DNA; it's become such an important part of our lives.

实际上,即使你们没有上过生物课,也不可能活在当下却对DNA一无所知,它已经与我们的生活密不可分

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