考研英语高频词汇ancestor/ˈænsestər/n.祖宗,祖先考研真题共出现8次真题例句1:He notes that each individual has many ancestors-numbering in the hundreds just a few centuries back.(2009年text2P5)真题翻译1:他指出,每个人都有许多祖先,仅仅几个世纪前就有数百人。真题例句2:This DNA can reveal genetic information about only one or two ancestors, even though, for example, just three generations back people also have six other great-grandparents or, four generations back, 14 other great-great-grandparents.(2009年text2P5)