astronautics

This engine, which we will ultimately use to return the astronauts from earth's orbit to the earth's surface and also in later missions to put the astronauts into lunar orbit and bring them back home from lunar orbit, will then have its first flight test.

这个引擎最终的作用 是将宇航员从地球轨道送回地表 并且在之后的任务中 把宇航员送进月球轨道 再从从月球轨道返程 引擎将进行首次飞行测试

We'll get a sense for how it works once it's actually implanted into a human, so this is a schematic representation of how we might implant the capsule under the skin and then the capsule could potentially respond to the radiation exposure and once it responds it will release the therapeutic molecule or the protective molecule altering the physiology of the astronaut and protecting that astronaut from whatever threat exposure has happened.

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Youyou were not here. I'm an astronaut.

你不在这里 我是名宇航员

But he wasn't an artist, he was an astronaut.

不过他不是艺术家 他是一名宇航员

And you were going to be an astronaut.

还有 自以为会成为宇航员

It's not uncommon. It is for astronauts.

这并不少见 对宇航员来说并不

I'm going to be an astronaut, so I don't.

我以后要当宇航员 所以可以不用学

Don't forget all the other astronauts picking on you.

别忘了其他宇航员欺负你的事

I can't believe my brother's an astronaut.

真不敢相信我哥哥居然是个宇航员

An astronaut who was impregnated in space.

一个在太空里怀孕的宇航员