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
This job is back-breaking work.
这份工作强度很大。
Since we need the goods urgently, we must insist on express shipment.
由于我方急需这批货物，我方坚持使用快递装运。
Is the production line fully automatic?
生产线是全自动的吗？