muck rolls

例句：

1. 1.The old building is full of muck rolls.
   这座旧建筑里满是垃圾堆。
2. 2.The workers were busy dumping muck rolls into the river.
   工人们忙着将垃圾堆倒入河中。
3. 3. The city needs to clean up its muck rolls and improve its waste management system.
   这个城市需要清理其垃圾堆，并改善其废物管理系统。