战神V助推器设计目的主要是长途货运，它是美国宇航局的后航天飞机时代的供给车。

Designed primarily to haul cargo, the Ares V booster is NASA's supply truck for the post-shuttle era.

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得益于之前的那些漫游车及轨道探测器所做的工作，研究人员已经了解到火星在远古时代存在一些人们认为生命所必需的成分。

Thanks to the work of previous rovers and orbiting probes, researchers already know that ancient Mars had many of the ingredients thought necessary for life.

youdao

得益于之前的那些漫游车及轨道探测器所做的工作，研究人员已经了解到火星在远古时代存在一些人们认为生命所必需的成分。

Thanks to the work of previous rovers and orbiting probes, researchers already know that ancient Mars had many of the ingredients thought necessary for life.

youdao