breeding
noun [ U ] uk/ˈbriː.dɪŋ/ us/ˈbriː.dɪŋ/
(ANIMALS)
（动物的）繁殖，饲养;（植物的）培植
the keeping of animals or plants in order to breed from them
The family's business was horse-breeding. 这家人以养马为业。
We used to keep pigs for breeding purposes. 我们曾经养过种猪。
（动物）交配繁殖
the process in which animals have sex and produce young animals
The penguins' breeding season has begun. 企鹅的繁殖季节开始了。
(BEHAVIOUR)
old-fashioned (also good breeding)教养，礼貌
polite and socially correct behaviour that someone has because they were taught it as a child