OAS的翻译，读音
释义：
abbr. 美洲国家组织（Organization of American States）；现役（On Active Service）；光接入系统（Optical Access System）
n an association including most countries in the western hemisphere; created in 1948 to promote military and economic and social and cultural cooperation
n an association including most countries in the western hemisphere; created in 1948 to promote military and economic and social and cultural cooperation