When the full moon is high in the sky, if one joins together the dark areas they look like a hare mixing medicine, but as the moon rises in the east or sets in the west, its face is turned and we see Wu Gang hacking at the osmanthus; what were the hare's ears are now Wu Gang's two feet.
如果在月圓時把暗的區域連接起來，就是一隻搗藥的玉兔。當月球東升西降時，上下相反，則出現了伐桂的吳剛，因為原來的兔耳，這時剛好變成了吳剛的兩隻腳。