Heavy snow (a word of the twenty-four solar terms)

Pinyin: é máo dà xu abbreviation: emdx

Explanation: Snowflakes are like goose feathers. Describe the heavy snow.

Hongyan is a migratory bird, flying in late autumn, and the first frost is temporarily for the change of time series and the replacement of years.

Pinyin: hóng füI Shuāng Jiang abbreviation: hfsj

Description: Hongyan is a migratory bird, which returns to the first frost in late autumn every year, because it refers to the change of time series and age.