学习通shelf复数是shelves，例如“She browsed the shelves for something interesting to read”意思是她浏览着书架，想找本有趣的书看。Shelf的意思是架子、搁板、搁板状物、暗礁等。比如towel shelf：毛巾架；commodity shelf：置物架；shelf burner：搁板炉等。
相关例句：1、The depth of the shelves is 30 centimetres. 书架的深度为30厘米。
2、She browsed the shelves for something interesting to read. 她浏览着书架，想找本有趣的书看。 3、We improvised some shelves out of planks of wood and bricks. 我们用木板和砖头临时搭了些架子。
4、Manufacturers are testing a system that tracks products leaving the shelves and alerts employees to restock. 制造商们正在测试一个系统，它可以追踪离架的货品并提醒雇员补充上货。