us citizenship and immigration service

U.S. Citizenship and Immigration Service. A unit in the U.S. Department of Homeland Security responsible for enforcing the nation’s immigration laws. • Its functions were transferred from the former Immigration and Naturalization Service of the U.S. Department of Justice in 2003. — Abbr. USCIS.

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词条贡献者

译者Stephen，毕业于亚洲顶尖的高级翻译学院，擅长翻译各种与国际环境保护法规相关的法律文件。