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
But we found nearly half on them were mouldy. We can't accept them anyway.
但是我们发现差不多一半发了霉。无论如何我们不能接受。
I ask him to tell me everything he did.
我要求他告诉我，他所做的每件事情。
Who jumped farthest of all?
谁在参赛者中跳得最远？