美国驻美洲国家组织常驻代表: permanent representative of the united states of america to the organization of american statespermanent representative of u.s.a to oaspermanent representative of u.s.a to the organization
美洲国家组织美洲统计训练中心: inter-american statistical training centre of the organization of american states
美洲国家组织关于防止和打击恐怖主义的公约: oau convention on the prevention and combating of terrorism
联合国: the united nations (u.n.)◇联合国安全理事会 united nations security council; 联合国否决权 veto; 联合国军 armed forces for u.n.; 联合国粮农组织 united nations food and agriculture organization; 联合国贸易和发展会议 united nat
