1N-UNCOUNT 家譜學;系譜學;宗譜學Genealogy is the study of the history of families, especially through studying historical documents to discover the relationships between particular people and their families. 家譜學;系譜學;宗譜學
genealogical
...genealogical research on his family.
對他家族的家譜研究
2N-COUNT [usually with poss]家譜;宗譜 A genealogy is the history of a family over several generations, for example describing who each person married and who their children were. 家譜;宗譜
He had sat and repeated his family's genealogy to her, twenty minutes of nonstop names.