What do you mean, grazing snow melts the sun and fireflies attack the moon?

It means that the snow-covered grassland is warm and pleasant, and the flying fireflies seem to be chasing the moon.

Describing being able to master natural time is a common way to describe scenery in classical Chinese. The translation is "Yang Melts Snow": the sun melts the snow.

Firefly means firefly, firefly: the floorboard of Insecta, COLEOPTERA and firefly. The body is flat and slender with soft walls. There is a luminous device at the end of the abdomen, which can emit fluorescence. Nocturnal activities, preying on snails and other small insects.