the United Nations
noun [ + sing/pl verb ] uk/jʊˌnaɪ.tɪd ˈneɪ.ʃənz/ us/jʊˌnaɪ.t̬ɪd ˈneɪ.ʃənz/ (abbreviation the UN)
联合国（于1945年成立的国际组织，旨在以和平方式解决世界性的问题）
an international organization that was established in 1945 and aims to solve world problems in a peaceful way