His desk is cluttered up with books and papers.他桌上堆满了书和报纸。

学习一个生动的动词“clutter”，意思是“弄乱，乱七八糟地堆满；使混乱地堆满而难以使用”（to litter or pile in a disordered manner；to make disorderly or hard to use by filling or covering with objects）。
　　例句：
　　Boxes cluttered the garage. 箱子堆在车库里。
　　My bed is cluttered up with new clothes. 床上堆满了新衣服。