First, etymological explanation.

The pictophonetic word Rain means it is raining, which means there is plenty of rain and snow. It's not sound, unlike a bird's wings, which are open and contradictory. It means that rain and snow fall from the sky, which means that rain and snow are as dense as feathers on the wings of birds. The original meaning is rain and snow.

Second, word formation

Fan Fei, Feifei, Wei Fei, Luo Fei and Yan Fei.

Extended data:

1. Fenfei [Fē nē I]?

Fly away.

Second, Feifei [fēi fēi]?

Rain, snow, smoke, clouds, etc. ) in full bloom.

Third, Wei Fei [fēi wēi]?

The appearance of fog, Mao Mao rain, etc.

Fourth, Luo Fei?

Spread out in succession.

Verb (abbreviation of verb) Yan Fei?

Describe the snow.