factory farms短语¹⁰⁶¹⁰⁰⁺⁵ 基本例句 🌏工厂化农场；工厂式农场；农业工厂化原型factoryfarm的复数 Each year, the nation’s factory farms, collectively produce2 billion tons of manure, a substance that’s rated by the Environmental Protection Agency EPA as one of the country’s top10 pollutants. 每年，全国的农场，总共要生产20亿吨粪肥，环境保护署 EPA认为这是排名前10位的污染物之一。 yeeyan