Stand in the position of the tree and sing praises to the tree. The winds of the four seasons of spring, summer, autumn and winter change the clothes of the tree, and the leaves of the tree are written in anthropomorphic images. . "The rings of time are filled with the vicissitudes of the world" summarizes the life of a tree. Although the growth rings are filled with vicissitudes of life, its heart is always young. This is an almost flawless poem. On the whole, the stepped structure of one sentence in each paragraph is deliberately created, gradually pushing to the final climax, which expresses the persistence of the tree. The mystery of the poem is based on perceptibility, allowing readers to enter and experience it. The inner passion of the tree.