I mean, just taking the space shuttle up and back one time is hugely expensive.
我的意思是,仅仅是发射航天飞机一次再飞回的成本就已经是天价了。
The space shuttle Discovery is set to land for the last time Wednesday at the Kennedy Space Center in Florida.
发现号航天飞机将在星期三降落在佛罗里达州肯尼迪航天中心,这是发现号的最后一次太空飞行。
A humanoid robot will visit space for the first time in September aboard the space Shuttle Discovery, NASA announced Wednesday.
NASA在本周三宣布,第一台人形机器人将于今年九月搭乘发现号航天飞机首次踏入太空。
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