mass bred

例句：

1. 1. The company has been mass bred for years, and now it's time to expand into new markets.
   这家公司已经大规模繁殖多年，现在是时候进入新的市场了。
2. 2.The scientists are studying the genetics of mass bred animals to improve their performance.
   科学家们正在研究大规模繁殖动物的遗传学，以提高它们的表现。
3. 3.The mass bred crops have become a major source of food for many countries.
   大规模繁殖的农作物已经成为许多国家的主要粮食来源。