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
Don't worry, Richard.
别担心， Richard。
A light purse makes a heavy heart.
曩中无钱心事重。
Take care!
保重！