The space shuttle proves that we can go into space and then land safely back on earth again.

太空梭证明我们能进入太空，而又能安然重返地球。

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Richard Garriott, a U. S. space tourist due to travel to space on a Russian spaceship on Sunday, said he was unfazed by the prospect of a bumpy ride back to Earth, saying he expected to land safely.

美国太空游客，理查得·加里欧特计划星期天搭乘俄罗斯太空船去太空旅行，他说他并不为返回地球时将会发生颠簸的前景而担心，他期望平安着陆。

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