What is the sentence before Yan Zi cuts the spring breeze?

Before Yan Zi cut the spring breeze, she said, "Huang Yingming is Liu Cui". It means that the oriole is singing and the swallow is flying. How noisy and lively the birds are in spring. These are two couplets in the primary school textbook published by People's Education Publishing House, not a poem.

Couplets, also called couplets, are named after the pillars hung in halls and houses in ancient times. They are commonly known as even characters, couplets, couplets and doors. The name "couplets" began in the Ming Dynasty. Couplets are a kind of dual literature, which originated in Fu Tao and is a national style written by using the characteristics of Chinese characters. The wonderful combination of couplets and calligraphy has become a colorful artistic creation of the Chinese nation.