Scientists know this because there a pristine record nearby: on the surface of the Moon.
科学家们之所以知道这一点,是因为附近有原始记录 —— 在月球表面.
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We really do know more about the surface of the moon than the total ocean floor.
看来,我们对月球表面的了解确实要比对海底地貌的了解要多得多啊.
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Pluto is quite supportive to this new moon from sibling and neighbor's house.
冥王星是非常支持这个新的月球兄弟和邻居的房子.
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Mavis: It's a certificate of ownership. I've just bought some property on the moon.
梅维斯: 这是一纸产权, 我刚买了一些月球上的土地.
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Yvonne Pendleton : In many respects, the moon represents our history, our past, and also our future.
伊冯·彭德尔顿:月 球在许多方面反映着我们的历史和过去, 象征着我们的将来.
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