What is the verse in "Shuo Yu" that indicates the meaning of "rain"?

The poem that expresses the meaning of "rain" in "Yu Shuo" is: Yu Shuo: I came to the earth to be close to you. I am a guest in April bringing the baptism of spring.

Introduction to the work:

"Shuo Shuo" is selected from "Selection of Zheng Chouyu's Poems I", written by Zheng Chouyu; this poem was written in 1979 and published in the magazine on April 28, 1980 Taipei's "United Daily News" is fresh and lively, clear and easy to read. It is a children's song suitable for all ages and is one of Zheng Chouyu's outstanding works. It describes the scene of spring returning to the earth after the rain and all things flourishing, and praises "timely rain". It is a "song of love" sung by the poet for Chinese children through the mouth of spring rain. Selected into the compulsory education curriculum standard experimental textbook "Chinese for Ninth Grade" published by People's Education Press.

About the author:

Zheng Chouyu, formerly known as Zheng Wentao. modern poet. Known as the "prodigal poet". His ancestral home is Ninghe, Hebei, and he was born in Jinan, Shandong in 1933. In 1949, he followed his father to Taiwan. Graduated from Hsinchu Middle School. Now living in the United States, he is a professor of East Asian Literature at Yale University. Published his debut novel "Miner" at the age of 15. In 1955, he published his first collection of poems, "Dream Land". His representative works include "Mistake" and "Sailor Knife". And "Error" is known as "the swan song of modern lyric poetry".