GbEng
据信这种生物来自外太空。 These creatures were believed to have come from outer space.
宇宙存在于太空。 The universe exists in space.
也许太空的智慧生物已经访问过地球。 Maybe the earth has been visited by intelligent creatures from outer space.
她看起来彷佛刚从外太空回来似的。 It looks as if she had just come back from outer space.
对伽利略来说,地球上和太空中有不同的运动法则是没有多大意义。 It didn't make much sense to Galileo to have different rules for motion on earth and in space.