in.breed.ing
n.(名词)The breeding of related individuals within an isolated or a closed group of organisms or people.近亲繁殖:在一个分离的或封闭的生物群或人群内部进行的近亲繁殖The continued breeding of closely related individuals so as to preserve desirable traits in a stock.同种交配:近亲连续不断地繁殖,以此来保存某一血统的令人满意的特性