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 双语律师Peter,毕业于法国一流的高级翻译学院,擅长翻译涉及基础建设领域的法律文件。