Caa
abbr. 民用航空管理局（Civil Aviation Authority）
📖 牛津释义
CAA
abbr
缩写 = (Brit) Civil Aviation Authority 民用航空局.
🗣️ 情景例句
I had a really bad day.
今天真是糟透了。
Who are you?
你是谁？
As the Commanding Officer explained later, one half of the station did not know what the other half was doing!
正如指挥官后来解释的那样，基地的这半边不知道那半边正在干什么！