Scientists shave also discovered many other galaxies in the universe.

科学家们也已经在宇宙中发现了许多其他星系。

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Is there any other form of life in the galaxies?

星系里有其他形式匠生命吗？

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Is there any other form of life in the galaxies?

星系里有其他形式匠生命吗？

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