While one of the astronauts went round the moon in the command module, the other went down to the surface in the lunar module.
当其宇航员在指环绕月飞行时, 宇航员在登月降落到月表面。
While one of the astronauts went round the moon in the command module, the other went down to the surface in the lunar module.
当其宇航员在指环绕月飞行时, 宇航员在登月降落到月表面。
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