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来源:雅诚德英语网
The earth's not always the same distance from the sun, and it's not always tilting toward the sun at the same angle.
地球到太阳的距离并不总是相同的,地球也并不总是以相同的角度倾斜向太阳。
The earth's not always the same distance from the sun, and it's not always tilting toward the sun at the same angle.
地球到太阳的距离并不总是相同的,地球也并不总是以相同的角度倾斜向太阳。