It was to be small and compact, but provide easy access to space on a moment's notice, instead of the long months to prepare each shuttle launch.
它很小,也很紧凑,而且只需要很短的准备时间就可以进入太空,而不是像航天飞机发射那样准备数月之久。
It was to be small and compact, but provide easy access to space on a moment's notice, instead of the long months to prepare each shuttle launch.
它很小,也很紧凑,而且只需要很短的准备时间就可以进入太空,而不是像航天飞机发射那样准备数月之久。
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