1, the layered forest is completely dyed. It means that layers of trees seem to be dyed.

2, from "Qinyuanchun Changsha": "Look at that mountain and that forest, they are all red; Full of rivers and blue heads, winning every battle. "

3. Interpretation: Seeing that thousands of peaks have all turned red, layers of trees seem to be stained with color, the river is crystal clear, and ships are racing against the wind and waves.