Aiaa
abbr. 美国飞机工业协会（Aircraft Industries Association of America）；美国航空工业协会（Aerospace Industries Association of America）；美国工艺美术协会（American Industrial Arts Association）；美国航空暨太空协会（American Institute of Aeronautics and Astronautics）
🗣️ 情景例句
It's the way it should be.
本该如此。
He thanked them on your behalf.
他替你同他们致谢。
He's only forty-one years old, and he has already been to nearly every country in the world.
他只有41岁，但他却过世界上几乎每一个国家。