maternal lineglossary / maternal line, 母系, 母系亲属 maternal line母系;母系亲属(→line) 词条贡献者 资深译员Gilbert,毕业于美国一流的法学院,专注翻译各种与专利申请和专利组合咨询有关的法律文件。
maternal line maternal line A person’s ancestry or relationship with another traced through the mother.