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
Unless in uniform, he doesn't look like a policeman.
除非穿上制服，要不他看起来不像警察。
We know not what is good until we have lost it.
有的时候不爱惜，失了以后空叹息。
we are now pretty certain the Earth is the only one on which life can survive.
我们目前可以肯定的是，地球是生命能存在的唯一行星。