family tree
noun [ C ] uk/ˌfæm.əl.i ˈtriː/ us/ˌfæm.əl.i ˈtriː/
（尤指年代久远的）家谱，家系图
a drawing that shows the relationships between the different members of a family, especially over a long period of time
江苏热线英汉汉英双解词典包含207361条英汉翻译词条，涵盖了常用英语单词及词组短语的翻译及用法，是英语学习的必备工具。