Thousands of spring breezes pass through the southern country. What does Liu Hanyan mean in Li's song?

The spring wind in the South blows in thousands of directions, and the willow trees seem to contain smoke amid the songs of the oriole. There are thousands of spring breezes in the South, and the willow trees in the song of the oriole seem to be filled with smoke. Only a little bit of the setting sun is left, like red beans, already writing lovesickness all over the sky.