The emotional tone of reed flute in Ai Qing's selected poems. What words or forms are used?

Reed flute is a very long lyric poem. The poet takes the interdependence and tragic situation of "I" and the reed flute as the longitudinal clue, and the colorful Europa, Apollinaire, the freedom of the Atlantic coast and the Bastille on the beach, and the chain louder than singing as the horizontal clue, forming a three-dimensional poetic structure. The relationship between the reed flute and the "I" was originally true, because the unreasonable events displayed on the horizontal line, such as the humiliation of the reed flute, required the "I" to reach into the burning flame to save, and so on. , making the relationship between the reed flute and "I" illusory, which is a symbolic use. In addition to symbolism, this poem symbolizes emotion with images, and also has direct lyricism.