1. bred

    /bred/ 培育、培养(breed 的过去式和过去分词)
  2. crossbred

    🇬🇧/ˈkrɒsˌbred/ 🇺🇸/ˈkrɔːsˌbred/ adj.[生物]杂种的n.杂种
  3. purebred

    🇬🇧/ˈpjʊəbred/ 🇺🇸/ˈpjʊrˈbred/ adj.纯种的n.纯种的动物