natural selvedge

例句：

1. 1. The natural selvedge of the forest is a haven for wildlife.
   森林的自然边缘是野生动物的庇护所。
2. 2. The artist's brushstrokes create a natural selvedge between reality and fantasy.
   艺术家的笔触创造出现实与幻想之间的自然分界。
3. 3. The farmers carefully trimmed the natural selvedge to prevent weeds from growing through.
   农民们小心翼翼地修剪了自然的边沿，以防止杂草生长。