It means that the trees are green and overlapping, which means that the trees are very dense. Simply put, there are all trees and lush green leaves nearby.

When used in concrete, layered forest and emerald green are used to describe the beautiful scenery in the jungle, trees or mountains, which mainly reflects the dense, layered and vibrant appearance of trees. In this paper, it is often used to describe the scenery, such as:

1, generally from Liaozhai Village at the foot of the mountain, winding up along the path, all along the way, the forest is green, the Gu Teng is knotted, the stone bridge is secluded, and the flowers are rare, which makes Tao Tao feel like a paradise.

2. The mountain peaks around the village are beautiful, the layers of forests are green, and the clear Liuxi River meanders by.

3. Looking around, the frost and maple are blooming everywhere, the layers of forests are green, the clean water is winding, the water plants are silent, and the herons are flying.

Extended data:

The synonym of layered forest is: layered mountains.

Mountain after mountain is an idiom, which means that there are many and steep peaks.

Source: Song Lu Jiuyuan's Book with Wang Qianzhong: "The mountains are stacked and galloping, and the nearest ones are dozens of miles, and the distant ones are hundreds of miles."

Interpretation: There are many and steep peaks, like flying in Mercedes-Benz, which are dozens of miles near here and hundreds of miles far away.