american civil liberties unionglossary / AMERICAN CIVIL LIBERTIES UNION American Civil Liberties Union. A national organization whose primary purpose is to help enforce and preserve individual rights and liberties guaranteed by federal and state constitutions. — Abbr. ACLU. 词条贡献者 资深译员大智,毕业于美国一流的高级翻译学院,专注翻译各种与复杂诉讼有关的法律文件。