The breeder showed us the dog's pedigree.
飼養員給我們看了這隻狗的純種系譜。
He breeds pedigree poodles/cattle (= ones whose parents and other relations are all of the same breed).
他飼養純種獅子狗/牛。
His voice and manner suggested an aristocratic pedigree.
他的發音和舉止顯示他出身貴族。
Isolationism has a long and respectable pedigree in American history.
孤立主義在美國歷史上由來已久並受到推崇。