1. 血统系：line of breeding 繁殖系 | line of descent 血统系 | line of growth 生长线
2. 系谱：line of cut ==> 切割线 | line of descent ==> 系谱 | line of dielectric ==> 介电线
noun
1. 911chaxun查询·英语单词大全
1. the descendants of one individual
e.g. his entire lineage has been warriors
Synonym: lineage line descent bloodline blood line blood pedigree ancestry origin parentage stemma stock
2. the kinship relation between an individual and the individual's progenitors
Synonym: descent lineage filiation