fringe tree bark

例句：

1. 1.The fringe of the forest is visible from the road.
   从公路上可以看到森林的边缘。
2. 2. The fringe of the crowd was moving towards the exit.
   人群的边缘正向出口移动。
3. 3. The fringe of the sea is often calmer than the rest.
   海的边缘通常比其他地方更平静。