《吕氏春秋·纪·孟冬纪》
这个月水开始结冰，地开始封冻，雉钻起家淮水变成了蛤蜊，彩虹消失不再出现。
水始冰，地始冻，雉入大水为蜃。虹藏不见。
Water begins freezing this month, the ground is frozen solid. Pheasants burrow to make shelter in the Huai River area and turn into clams. Rainbows disappear and do not appear again.