Rain gives birth to hundreds of valleys, and flowers fall all over the place until spring comes late.

It means that abundant rain can grow all kinds of crops, and falling flowers all over the ground indicate that spring has come, but the flowers bloom a little late. This sentence expresses the author's expectation for the vibrant scene of the earth and the coming of spring. This sentence is a common saying, and there is no proof that it was written by any poet. The full text is "the rain in spring and the wind in early summer are all teenagers' dreams." Rain gives birth to hundreds of valleys, beauty begins as before, and flowers fall to the ground until the end of spring. "Generally used to represent the arrival of solar terms in Grain Rain.