n.祖先；家世；门第；血统
Many of the early settlers in America had English ancestry. 许多早期美国移民的祖先都是英国人。
He cames of a good ancestry. 他家世很好。
ancestry的基本意思是“列祖列宗”,是“祖先”的统称,用作可数名词时常用单数形式,也可用作不可数名词。
