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来源:雅诚德英语网
Scientists believe the moon formed after a Mars-sized object slammed into the Earth and produced an enormous cloud of debris 4.5bn years ago.
科学家认为月球是45亿年前一个火星大小的物体与地球相撞后产生的巨大碎屑尘埃所形成。
Scientists believe the moon formed after a Mars-sized object slammed into the Earth and produced an enormous cloud of debris 4.5bn years ago.
科学家认为月球是45亿年前一个火星大小的物体与地球相撞后产生的巨大碎屑尘埃所形成。