问题描述：
英语翻译
There is no wind or water either on the moon.The moon's surface looks the same as three billion years ago.The footprints of astronauts on the moon will stay there perhaps for ever.
There is no wind or water either on the moon.The moon's surface looks the same as three billion years ago.The footprints of astronauts on the moon will stay there perhaps for ever.
问题解答：
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