rull roll

例句：

1. 1. The old building is a dump for all kinds of rubbish.
   这座旧建筑是各种垃圾的堆积地。
2. 2. We need to sort out the rubbish and dispose of it properly.
   我们需要把垃圾分类并妥善处理。
3. 3. The city has been working hard to reduce the amount of rubbish generated.
   这个城市一直在努力减少产生的垃圾量。