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I think that would have to be a manned mission to Mars.
我觉得肯定是载人火星任务。
youdao
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Their research will help plan a future manned mission to Mars.
这两位宇航员在太空中的研究将被用来帮助计划未来载人登月任务。
youdao
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Their research will help plan a future manned mission to Mars.
这两位宇航员在太空中的研究将被用来帮助计划未来载人登月任务。
youdao