1 [I] (used about animals) to have sex and produce young animals （指动物）繁殖: Many animals won't breed in zoos. 很多动物都不能在动物园内成功繁殖。 [SYN] mate 同义词为 mate

2 [T] to keep animals or plants in order to produce young from them （为繁殖或育种而）饲养，栽种: These cattle are bred to produce high yields of milk. 繁育这些牛是为了提高产奶量。

3 [T] to cause sth 导致；引起: This kind of thinking breeds intolerance. 这种思想造成气量褊狭。 ➔breeding noun [U]