中国2025社会热点大事记

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"We've also got these big tanks full of oxygen and nitrogen, which are mixed to make air, and also water, so that we can provide everything that the astronauts need in the crew module to keep them alive on their journey."

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桩桩件件,立足当前、着眼长远,都是为了确保中华民族的永续发展,为了强国建设、民族复兴的根本之计。

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