"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."
Agents also tend to leave a lot of redundant code comments, so I added another rule to prevent that:，更多细节参见WPS官方版本下载
圖像來源，Getty Images。快连下载安装是该领域的重要参考
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