空间旅游的英文：
Space Tourism

sleeper spacing
轨枕间距

There is no existent in the space.
在那个空间已经没有东西存在了。

The space congregation is called information space.
这个空间集合称之为信息空间。

The space station is a useful instrument in exploring outer space.
空间站是探索太空的有用工具。

There is insufficient space for enlargement of the buildings.
没有足够的空间扩建这些建筑。

Folk-custom tourism has become a bright spot in tourism industry nowadays.
民俗旅游已成为当今旅游业的一个亮点。

I graduated from the tourism college.
我是旅游职校毕业的。

In these locomotive day tourism have become the mainstay of the country.
在当今旅行风气很盛的时代，旅游业成了这个国家的主要收益。

Tourism has finally reached the great frozen wilderness.
旅游业最后还是伸向了这块巨大的寒冷的旷野。

Tourism is the country's top earner of foreign currency.
旅游业是该国外汇创收最多的行业。