However, as we've explored our cosmic backyard, hunting for any signs of the building blocks of life, we've found organic chemistry on moons, comets, asteroids and distant exoplanets.

然而，当我们探索自己的宇宙后院，搜寻生命的构筑材料的迹象时，我们在卫星、彗星、小行星和遥远的系外行星上都发现了有机化学。

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The idea isn't that these building blocks are just passengers aboard meteorites, but that the chemistry inside asteroids and comets can actually manufacture the essential building blocks of biology.

该想法并不是认为这些结构单元只是搭乘陨石的乘客，而是小行星和彗星中的化学成分实际上可以制造生物的结构单元。

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