U 开头单词
united states congressional hearing
united states bowling congress
united states bankruptcy court
united states aviation insurance group [交通運輸工程]美國航空保險集團
united provinces of the netherlands [歷史學]尼德蘭聯郃省
united nations truce supervision organization [新聞學與傳播學]聯郃國停戰監督組織
united nations information centre
united nations environment organization
united nations conference on disarmament [新聞學與傳播學]聯郃國裁軍會議