为什么月亮的形状会有规律地变化？
您瞧，随着您身位的不断变化，月亮的形状也在不断变化。
Your lo, change continuously along with your body, the shape of moon also Be changing continuously.
您瞧，随着您身位的不断变化，月亮的形状也在不断变化。
Your lo, change continuously along with your body, the shape of moon also Be changing continuously.
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