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Betty，毕业于亚洲一流的高级翻译学院，专注翻译各种与商业移民有关的法律文件。
maternal line maternal line A person’s ancestry or relationship with another traced through the mother.
