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Astronaut
例子
The astronaut conducted experiments on microgravity effects during the space mission.
The astronaut gazed at Earth from the spacecraft's window, marveling at its beauty.
He wrote a memoir detailing his experiences as an astronaut, including his spacewalks and scientific research.
She fulfilled her childhood dream of becoming an astronaut and traveled to the International Space Station.
He underwent rigorous physical and mental training to qualify as an astronaut.
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