supranational
adjective uk/ˌsuː.prəˈnæʃ.ən.əl/ us/ˌsuː.prəˈnæʃ.ən.əl/
多国的;超国家的
involving more than one country, or having power or authority that is greater than that of single countries
NATO is a supranational organization. 北大西洋公约组织是一个超国家组织。