excrement of animals

例句：

1. 1. The dog's excrement was scattered all over the lawn.
   那只狗的排泄物散落在草坪上。
2. 2. The factory produces a lot of waste and excrement.
   这家工厂产生很多废物和排泄物。
3. 3. The farmer used manure to fertilize his crops.
   农民使用粪肥来施肥他的庄稼。