"宇宙之旅"是个多义词，它可以指宇宙之旅,宇宙之旅（宇宙之旅小游戏）。
他继续称赞这位《时间简史》的作者，“他在轮椅上，带领我们展开宇宙之旅，到达最遥远、最奇异的太空深处。”
He went on to praise the author of a Brief History of Time who "from his wheelchair has led us on a journey to the farthest and strangest reaches of to the furthest corners of the cosmos."
这艘宇宙飞船即将开始一趟振奋人心的未知世界之旅。
This spaceship is about to start an exciting voyage into an unknown world.
科学家称，水动力宇宙飞船可以大幅减少火星之旅的成本。
Scientists say that a water-powered spaceship could make the trip to Mars much cheaper.
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