训练宇航员不是一件容易的事。

Training astronauts is not an easy task.

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他们乘用的就是NASA用来训练宇航员的飞行器。

NASA has used these same flights to train their astronauts.

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一个宇航员说他们正为去月球进行训练。

One of the astronauts said they were practicing for a trip to the moon.

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她被派到那里接受宇航员的训练。

She was sent there to be trained as an astronaut.

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宇航员必须经过大量的训练。

Astronauts must get a lot of exercise.

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宇航员必须经过大量的训练。

Astronauts must get a lot of exercise.

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