In order to spin off the Moon, Earth would have had to rotate so fast that a day would have lasted less than three hours.
为了脱离月球，地球必须旋转得如此之快，以至于一天持续的时间少于三个小时。
In order to spin off the Moon, Earth would have had to rotate so fast that a day would have lasted less than three hours.
为了脱离月球，地球必须旋转得如此之快，以至于一天持续的时间少于三个小时。
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