pureblood

adjective [原级]纯血统的，纯种的（等于 pure-blooded）

Unlike his brother, Regulus was favored by his parents because he shared their pureblood prejudices;
与哥哥不同，雷古勒斯因为继承了他们家族对高贵纯种血统的偏见而很受父母的宠爱。