shelf characteristic

例句：

1. 1. The bookshelf is a great place to display all your favorite books.
   书架是一个很好的地方来展示你所有最喜欢的书。
2. 2. Shelves are designed to hold multiple items at once, making them ideal for organizing books.
   架子被设计成可以同时容纳多个物品，这使得它们非常适合组织书籍。
3. 3. The shelf is made of wood and has a smooth surface, which makes it easy to clean.
   这个架子是由木头制成的，表面光滑，这使得它很容易清洁。