What is United Nations called in Chinese with how to pronounce and transliteration in English?

English to Chinese

• North Atlantic Treaty Organization 北大西洋公約組織
• Organization of the Islamic Conference 伊斯蘭會議組織
• Organisation for Economic Co-operation and Development 經濟合作發展組織
• International Olympic Committee 國際奧林匹克委員會
• League of Arab States 阿拉伯國家聯盟
• United Nations Children’s Fund 聯合國兒童基金會
• African Union 非洲聯盟
• Red Crescent 红新月会
• World Health Organization 世界衛生組織
• European Union 歐洲聯盟