英汉词典

1. （宠物或牲畜的）种，品种
    A breed of a pet animal or farm animal is a particular type of it. For example, terriers are a breed of dog.

    e.g. ...rare breeds of cattle...
           稀有品种的牛
    e.g. Certain breeds are more dangerous than others.
           某些品种比其他品种更危险。

2. 饲养；培育
    If you breed animals or plants, you keep them for the purpose of producing more animals or plants with particular qualities, in a controlled way.

    e.g. He lived alone, breeding horses and dogs...
           他独自一人生活，饲养马匹和狗。
    e.g. He used to breed dogs for the police...
           他曾经为警方培育警犬。