by the maternal side

• 母方的；母系的

by the maternal side的用法和样例：

例句

1. She is Scottish on her mother's side.
   根据母系的血缘，她是苏格兰的后裔。
2. Everyone has two paternal grandparents and two maternal grandparents.
   每个人都有两个属于父系的祖父母和母系的祖父母。