Certainly we are having a difficult time reducing our levels of carbon emissions, meeting previous goals on biodiversity, and eliminating Marine, atmospheric, and terrestrial pollution.

当然，我们还有不同的时间去提高减少碳的排放量的水平，以前的会议的目标是要保持生物的多样化，消除海洋大气陆地上的污染物。

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This is the first time the technique has been used to date terrestrial rocks, because nothing else this old has ever been discovered on Earth.

这一方法首次被用于测定陆地岩石的年代，因为之前在地球上还没有发现过这么古老的东西。

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So if you can somehow upload a message into DNA of terrestrial organisms, it could last a very, very long time, indeed.

因此，如果你能以某种方式上传到陆地生物的DNA信息，它可能会持续一个很长很长的时间，的确。

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Once upon a time, Apollo allowed us to venture far beyond our terrestrial existence, and the time is rapidly approaching when Orion will take us further into the vastness of space than ever.

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That history reveals patterns, some of which, the domination of terrestrial flora by the flowering plants, for example, are vast in space and time.

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