fringe intensity

例句：

1. 1.The fringe of the curtain was just touching the floor.
   窗帘的边缘刚刚碰到地面。
2. 2. The fringe of the crowd was barely visible.
   人群的边缘几乎看不见。
3. 3. The fringe of the forest was dense and impenetrable.
   森林的边缘是密集且难以穿越的。