bloodline

音标发音

When Japan ruled Korea from 1905-45, racist ideologues said that the two countries shared the same bloodline.
当日本自1905至1945年统治朝鲜期间，狂热的种族主义分子鼓吹这两个国家有着相同的血统。
Within a small percentage of the population, wealth has been passed on along the bloodline for hundreds of years.
富豪阶级人数不多，几百年来继承了统一的贵族血统。
It's not a shared bloodline that matters, but rather a shared and deep understanding of each other, one that depends on a feeling of common ground, not guaranteed by DNA.
共有的血统并不重要，重要的是共有的对彼此的深层的理解，它依赖于共同感，而非DNA。

As the son of the President for Eternity, his authority largely rests on his bloodline.
NPR: North Korea Test Aimed at Internal Audience?
Mr. NACK: Actually, Bernardini, another horse in here, has probably as good a bloodline as anybody.
NPR: Barbaro Seeks Second Leg of Triple Crown
Perhaps more important, the figures conformed to appropriate racial stereotypes, confirming the purity of the German bloodline.
FORBES: How An Art Forger Duped The Nazis By Counterfeiting The Middle Ages [Book Excerpt]

all the members of a family group of people or animals over a period of time, especially when considering their shared family characteristics

A person's bloodline is their ancestors over many generations, and the characteristics they are believed to have inherited from these ancestors. You can also use bloodline to refer to the ancestors of animals such as racehorses.