1.
The orbital space plane promises to be much safer than the shuttle.
轨道太空飞机应该较太空梭来得安全。
2.
A prototype of spaceplane could be up and flying within five or six years.
一架太空飞机的样机能够在五到六年内建成并进行试飞行。
3.
The idea for aspaceplane has been around for４０years．
研制太空飞机的想法，已经提出大约４０年了。
4.
Many aviation engineers considered spaceplanes to be feasible over thirty years ago.
很多航空工程师认为，太空飞机早在30年前就可能实现。
5.
spacecraft maneuver
太空飞行器机动飞行
6.
the spaceship, the spaceship.
太空飞船，太空飞船。
7.
Look up at the spaceship, the spaceship, the spaceship.
向上看太空飞船，太空飞船，太空飞船。
8.
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。
9.
An aeroplane can't fly in space where there is no air then how can we get into space?
飞机不能在太空中飞行，那里没有空气。那么，我们怎样能到太空呢？
10.
To fly over(a particular area or territory)in an aircraft or a spacecraft.
飞行在…上空乘飞机或太空船飞行在（一定区域或领土）上空
11.
and why the spacecraft is called a shuttle.
以及为什么太空飞船被称为“航天飞机（shuttle）”。
12.
The space shuttle Endeavor was launched into space December 5th, 2001.
“奋进”号航天飞机于2001年12月5日飞入太空。
13.
They would ride a shuttle into space.
他们将乘坐航天飞机进入太空。
14.
Space shuttle: formally Space Transportation System (STS)
航天飞机:正式名称为太空运输系统
15.
In space there is no air. An aeroplane can not fly there, since it depends on air for its flight.
太空中没有空气，飞机就不能在那里飞行，因为飞机是依靠空气飞行的。
16.
An airplane cannot fly out into space be cause it must have the air for its propellers to push against.
飞机不能飞入太空，因为飞机的螺旋桨如果没有空气的反推力推进，是飞不起来的。
17.
The Crew of the Space Shuttle Columbia:An Eternal Journey to Space
永恒的太空之旅——哥伦比亚号航天飞机机组成员
18.
But you can't see the shuttles traveling through the space.
但是，你不可能看到航天飞机在太空中遨游。