1.
The space voyagers set off on their journey into the unknown.
太空航行者踏上征途去探索那未知的世界。
2.
of or belonging to astronauts or the science of astronautics.
属于太空航行员，或属于太空航行科学。
3.
A journey through outer space.
航空，航行通过外层太空的航行
4.
the theory and practice of navigation through air or space.
航行天空与太空的理论与实践。
5.
NASA is cutting short space walk today for Endeavor astronauts.
国家航空和宇宙航行局于今日缩短了宇航员太空行走的时间。
6.
Astronauts are pioneering in exploring space.
太空旅行者们正成为探索太空的先驱。
7.
Each craft was to make one-hundred trips in space.
每架航天飞机都预计将在太空航行100次。
8.
the historic first voyage to outer space.
第一次去往太空的历史性航行。
9.
navigation without the aid of celestial observations.
没有辅助太空观测资料的航行。
10.
The Viking spacecraft consisted of two orbiters.
维京太空船由两个轨道航行器组成。
11.
The spacecraft is that a kind of pressure of utilizing sunlight carries on the spacecraft of the space flight.
航天器是一种利用太阳光的压力进行太空飞行的航天器。
12.
He had also flown three times as a crewmember of the space shuttle.
他还曾作为航天飞机飞行员做过三次太空飞行。
13.
under the Mercury program each flight had one astronaut.
水星号太空计划中，每次飞行只有一名宇航员。
14.
In exploring space, unmanned vehicles were employed before astronauts.
探索太空时，在宇航员之前使用的是无人飞行器；
15.
However, work was still being done on the suit the astronauts would wear on the space walk.
然而宇航员将在太空行走时穿的宇航服还在制作中.
16.
Association of South Pacific Airlines
南太平洋航空公司协会(航空协会)
17.
The space travellers made a successful landing on the moon.
太空旅行者成功地登上月球。
18.
Two astronauts have started the spacewalk outside the International Space Station.
两名宇航员已经开始国际空间站之外的太空行走。