The poem begins with a vibrant natural beauty, which seems to create a fresh and relaxing atmosphere. In these two sentences, the poet describes the beautiful scenery in detail from different angles. Emerald is fresh green, the color when everything comes to life and comes to life in early spring. Pronounced as "ming", the oriole's cry seems to give people a light, crisp and pleasant feeling. In early spring, on the willow branches where the tender buds are beginning to sprout, pairs of orioles are singing joyfully. What a festive atmosphere! The orioles sit on the willows and sing, which is a sign of vitality in silence. The next sentence uses a more obvious momentum to describe the vitality of nature: the sky is clear and blue, and the egrets are flying in this fresh sky, This is not only a kind of free and comfortable comfort, but also a kind of upward striving, which is the magic of the word "up". In these two sentences, "yellow" is used to line "emerald", and "white" is used to line "green". The bright colors bring out the vitality of early spring. The two sentences also mention the cry of oriole, depicting this vibrant and colorful image of early spring from the visual and auditory perspectives respectively, and this vivid and colorful technique adds to the vitality. . Furthermore, the first sentence describes the orioles sitting on the willows and singing, and the previous sentence describes the egrets flying into the sky. The space in front of it is much wider. From bottom to top, from near to far, the poet can see everything. The sense of vitality fills the entire environment, which shows the vitality of early spring from another angle.