Soa
abbr. 前进速度（speed of advance ）；工艺技术水准（state of the art）；进场著陆速度（speed of approach）；工艺现状（State of the Art）
🗣️ 情景例句
It's quite complete.
已经相当齐全了。
A word spoken is an arrow let fly.
一言既出，驷马难追。
My god!
天哪！