Party activists with lower middle class pedigrees are numerous.党内积极分子中中产阶级下层出身的很多。These trees have pedigrees stretching back thousands of years.这些树的系谱可以追溯到数千年前。Royal pedigrees often remount to the remotest antiquity.王室的家谱往往可追溯至太古时代。Members with lower middle class pedigrees are numerous.成员中中产阶级下层出身的很多。