?母系血统总合
... [the mother’s body;the female parent] 孕育新生命或新生事物之体 [matriline] 母系血统总合 [distaff;maternal side,matriarchal] 母方血统 ...
Each local whale has been photographed and classified by matriline, or a family of whales descended from a matriarch.
BBC: A quest to see Canada??s orcas in the wild
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。