This poem depicts the beautiful and moving scenery in spring. This poem begins with "Late Sunday", which means spring. It is precisely because of the arrival of spring that "flowers and plants are fragrant", "mud melting" and "warm sand" will appear.
The first two sentences of this poem describe the general feeling of spring and paint a broad picture. The last two sentences mainly describe the lively and lovely image characteristics of birds in the sun. "Flying Swallow" and "Sleeping Yuanyang" describe two kinds of birds, static and dynamic, which set each other off and become interesting. Match "mud melting" and "warm sand" respectively to make the warm breath of spring stronger.
The language of this poem is beautiful, as if the whole spring were presented to us.