The serious problems at present are the lagging behind of the development of space tourist products,the lack of international cooperation in space tourism and the lack of insurance,laws for space tourism.
嫦娥一号绕月探测飞行激发了中国人对太空旅游的热情,太空旅游由神话变成了现实。
Astronauts are pioneering in exploring space.
太空旅行者们正成为探索太空的先驱。
When did scientists conceive of space travel?
科学家们什么时候设想出太空旅行的?
The space travellers made a successful landing on the moon.
太空旅行者成功地登上月球。
Rockets have enabled space travel.
火箭已经于太空旅行成为可能的事。
A leading French chef has been asked to help create space food for astronauts on long-term voyages in space.
一位法国名厨受邀帮忙长期在太空旅行的太空人设计食物。
SEPANG, Malaysia( Reuters)- Malaysia plans to push the boundaries of space travel, by making a cup of tea.
马来西亚计划突破太空旅行的限制——在太空沏一杯茶。
The event's organisers are unabashedly promoting the flight to a different kind of space tourist- the type that stays on the ground.
这一活动的组织者正在竭力向另一种太空旅行者宣传这次飞行，即留在地面上的太空旅行者。
Albert Einstein had a great influence on the theories of space travel.
爱因斯坦对太空旅行的理论有很大的影响。
As in the field of space travel, so in undersea exploration new technologies continue to appear.
在太空旅行和海底探测领域，新技术不断涌现。
The Rich Are Eyeing Space Tourism, Poll Says (2002/05/28)
民意调查显示美国富人向往太空旅行 (2002/05/28)
During this space travel, he conducted a number of scientific experiments at the International Space Station, including a study on AIDS pathogens.
他在这次太空旅行当中，曾在国际太空站进行若干科学实验，其中包括爱滋病原研究。
The natural lifetime for such beings is short, compared to the travel time.
这样的生命具有的自然寿命与太空旅行的时间相比是短暂的。
the branch of medical science that studies the ability of organisms to withstand environmental stress (as in space travel).
医学中研究生物体对外在压力的承受（如在太空旅行）的分支。
The Russian medical specialists pointed out earlier that Shuttleworth is more suitable for space travel than Tito.
俄罗斯医学专家稍早指出，夏特沃斯较狄托更能够适应太空旅行。
Television and space travel are introducing many new words into our language.
电视和太空旅行在给我们的语言输入很多新词汇。
The upshot is that, even in space travel, old designs are sometimes better than new ones.
结论就是，即使在太空旅行，原来的设计有时也比新设计更好。
an interplanetary journey in a space ship
乘太空船作星际旅行
Imagine (that) you are traveling in a spaceship.
想像你乘坐太空船旅行的情况。