astronaut：宇航员；航天员
1. 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.
2. 我们还会了解到宇航员是怎么进入太空、又是怎么返回的
We can also learn how astronauts travel into space and back again here ．
3. 你最终可能会患上宇航员所说的二氧化碳头痛症
You can end up with what astronauts call a carbon-dioxide headache.
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. 宇航员皮埃尔·索特想要把这个长15英尺的机械手安到人造卫星上
Astronaut Pierre Thuot tried to latch the 15-foot robotic arm onto the satellite.
7. 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.
8. 来自我们身体的微生物在空间站的表面不受控制地生长，因此宇航员每周要花几个小时来清理
The microorganisms from our bodies grow uncontrollably on surfaces of the International Space Station, so astronauts spend hours cleaning them up each week.