Founded in 1931, it is one of the most senior aviation organizations in the US, predating even the FAA and the Civil Aeronautics Authority.是什么意思_Founded in 1931, it is one of the most senior aviation organizations in the US, predating even the FAA and the Civil Aeronautics Authority.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句