waste from bodies of animals

例句：

1. 1. The factory produces a lotof waste every day.
   这个工厂每天产生大量的废物。
2. 2. We need to reduce our wasteand conserve resources.
   我们需要减少我们的废物并节约资源。
3. 3. The company is trying torecycle as much of its waste aspossible.
   这家公司正试图尽可能多地回收其废物。