动物的排泄物释放出的气体，例如氢化硫、氨气、污染了农场周围的空气，同时，甲烷和一氧化氮则是导致全球变暖的主要元凶。

Animal excrement emits gases, such as hydrogen sulfide and ammonia, that poison the air around farms, as well as methane and nitrous oxide, which are major contributors to global warming.

youdao

动物的排泄物释放出的气体，例如氢化硫、氨气、污染了农场周围的空气，同时，甲烷和一氧化氮则是导致全球变暖的主要元凶。

Animal excrement emits gases, such as hydrogen sulfide and ammonia, that poison the air around farms, as well as methane and nitrous oxide, which are major contributors to global warming.

youdao