2. The birds who are tired of the hot summer at first are actually singers in spring. Besides, Spring and Autumn is the golden season when a hundred birds contend and a thousand insects sing. In this way, in fact, the poet reveals the law of nature's endless singing all year round, thus praising the cycle and endless beauty of nature. This kind of beauty is eternal, and "the poetry of the earth will never die" just points out the theme of this poem.
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