shell paper

例句：

1. 1. This book is printed on shell paper for durability.
   这本书是用硬壳纸印刷的，以增加耐用性。
2. 2.The artist used shell paper to create a unique texture.
   艺术家使用硬壳纸创造了一种独特的纹理。
3. 3. The library has a collection of shell paper books available for checkout.
   图书馆有一批硬壳纸书籍可供借阅。