pedigree GRE专八

The champions really showed their pedigree today.

今天冠军确实展现了其纯种系谱。

A pedigree pup should have been inoculated against serious diseases before it’s sold.

纯种狗应该在出售前注射预防严重疾病针。

These trees have pedigrees stretching back thousands of years.

这系谱可以追溯到数千年前。

With more than 1.6 million registered pedigree cows, Germany is the home of biggest herdbook population all over the world.

德国拥有超过160万头纯种家谱奶牛，是世界上最大奶牛种群之家。