edge stone

例句：

1. 1. The edge of the cliff is covered in a layer of smooth, white fringestone.
   悬崖的边缘覆盖着一层光滑的白色边缘石。
2. 2.The fringestones are a popular tourist attraction due to their unique color and texture.
   由于其独特的颜色和质地，边缘石成为了一个受欢迎的旅游景点。
3. 3.The fringestones have been used for centuries as a decorative element in gardens and buildings.
   边缘石被用作花园和建筑物装饰元素已有几个世纪的历史。