大单小单大双小双公式简介：It seems that whether this lake freezes or not is completely related to the red cotton in my hand. The lake now still has the same look as I saw it at the beginning, with signs of sparkling waves.
It seems that whether this lake freezes or not is completely related to the red cotton in my hand. The lake now still has the same look as I saw it at the beginning, with signs of sparkling waves.
