Oas
abbr. 美洲国家组织（Organization of American States）；现役（On Active Service）；光接入系统（Optical Access System）
📖 牛津释义
OAS
abbr
缩写 = (US) Organization of American States 美洲国家组织.
🗣️ 情景例句
Why don't we just check out?
那何不立即结帐离开呢？
You haven't changed a bit!
你一点都没变！
He's only forty-one years old, and he has already been to nearly every country in the world.
他只有41岁，但他却过世界上几乎每一个国家。