一、英文：
astronaut; cosmonaut
二、双语例句：
1
“奋进”号的两名宇航员将穿上太空服进行太空行走。
Two members of Endeavour's crew will suit up for a space walk
2
飞船上的6名宇航员将在太空度过10天。
The six astronauts on board will spend ten days in space.
3
今天宇航员将会做最后一次尝试，力图把一颗通信卫星从无效的轨道上抢救下来。
Astronauts will make a final attempt today to rescue a communications satellite from its useless orbit
4
我能够理解为什么宇航员发现重新适应地球上的生活不容易。
I can understand why astronauts find it difficult to readjust to life on earth
5
宇航员们将安装一个发动机，以推动卫星进入正常运行轨道。
The astronauts will attach a motor that will boost the satellite into its proper orbit
6
那些宇航员正在进行一系列实验，以更多地了解身体如何适应失重状态。
The astronauts are conducting a series of experiments to learn more about how the body adapts to weightlessness
7
宇航员正在为明天早上的着陆作准备。
The astronauts are preparing for touchdown tomorrow morning.
8
美国“亚特兰蒂斯”号航天飞机上的宇航员正准备收回该航天器。
The crew of the US space shuttle Atlantis were preparing to reel in the craft.
9
1969年，宇航员首次登上了月球。
In1969, astronauts first landed on the moon.
10
宇航员们要接受多年的训练，学会如何使用宇宙飞船。
The astronauts trained for years in how to use their spacecraft.
11
宇航员有特殊的呼吸装置。
The astronauts have special breathing apparatus.
12
他立志要当一名宇航员。
He is determined to become an astronaut.
13
当宇航员对身体条件要求很严。
The physical fitness requirements for being an astronaut are very stiff.
14
但是宇航员已经去过月球了。
But astronauts have already been to the moon.
15
我可以是医生，我可以是工程师，我可以是宇航员。
I can be a doctor, I can be an engineer, I can be an astronaut.
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