1. The study or investigation of ancestry and family histories. 
   家系学，系谱学关于祖先和家庭历史的研究或调查
2. She is a beautiful addition to the family. 
   她是我们家漂亮的新成员。
3. She is on the board of two companies. 
   她是两家公司董事会的成员。
4. Direct descent from an ancestor; lineage or pedigree. 
   家系从一个祖先传下来的直接世系；家系或家族
5. by descent through the female line. 
   通过女性的家系血统。

查看更多例句 相关情景会话

• 1. affected pedigree member
  affected sib-pair 受累同胞对...affected pedigree member 受累家系成员...birth defect surveillance 出生缺陷监测
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