渣滓

例句：

1. 1. The trash can was full of useless paper.
   垃圾桶里满是无用的纸张。
2. 2. Don't litter;it's bad for the environment.
   不要乱扔垃圾，对环境不好。
3. 3. The waste from the factory needs to be properly disposed of.
   工厂产生的废弃物需要妥善处理。