This makes commercial space travel a complex legal issue not just domestically, but abroad.
这使得商业太空旅行成为一个复杂的法律问题，在国内外皆是如此。
If it is, then the moon will become a possible choice for space travel in the future.
如果是这样，那么月球将成为未来太空旅行的一个可能选择。
Space travel can be so delightful but at the same time invisibly dangerous.
太空旅行是如此令人愉快，但同时又存在无形的危险。
The astronaut likes to travel into space.
宇航员喜欢在太空翱翔。
It could force new space tools to travel at slower speeds.
它可能会迫使新的太空工具以更慢的速度运行。
We can travel in space stations by spacecraft.
我们能够乘飞船在空间站旅行。
Their research in rocketry blazed the way for space travel.
他们在火箭方面的研究开辟了太空旅行的道路。
That was in 1865, at a time when people only dreamed about space travel.
当时是1865年，那是个人们只能在脑海里梦想太空旅游的年代。
EVEN by the standards of space travel, it has been a long, strange trip.
既使按太空旅行的标准来看，这也是一次漫长而奇怪的旅行。
Many companies are pursuing commercialized space travel.
许多公司在追求把太空旅行商业化。
太空旅行是胡言乱语。
为什么要搞商业太空旅行？
The FAA has oversight of space travel that does not involve NASA.
美国联邦航天局也拥有对太空旅行的监管权而且不涉及到美国航空航天局。
We have learned and mastered space travel.
这时地球人已经学会并掌握了太空飞行。
Pioneer John Glenn was a pioneer in space travel.
约翰·格伦是太空飞行的先驱者。
We hear so much about the environmental impacts of transportation. What about space travel?
肮脏的火箭——太空活动对环境有何影响？
Space travel used to be just a dream.
太空旅行过去仅仅是个幻想而已。
Why does Tony know so much about space travel?
为什么托尼对太空旅行了解那么多？
Space travel used to be just a dream.
太空旅行过去只是个梦想而已。
If you thought that space travel might get a bit dull after a while then think again.
如果你认为一段时间后太空旅行会无聊的话，看看这个在考虑吧。
Space travel will make people feel excited.
太空旅行将会使人们感到兴奋。
It means that space travel could become a lot easier in the future.
这意味着太空旅行在未来可能会变得更加容易。
Are they sure about the fast speed of space travel?
他们确定太空旅行的高速度吗？ ？
The professor's words sparked Patrick's interest in space travel.
教授的一席话激起了帕特里克对太空旅行的兴趣。
The professor's words sparked Patrick's interest in space travel.
教授的一席话激起了帕特里克对太空旅行的兴趣。
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