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
I'm surprised they're not here.
我奇怪他们怎么没来。
Is there a pay pnone nearby?
这附近有没有公用电话？
I will have to choose presents for all the family soon, but I haven't chosen any yet!
我很快就要为每一位家庭成员选购礼物，但我至今还什么也没买！