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
Learning foreigh languages should be fun.
学习外语应该是乐趣无穷的。
What are you looking at? Never seen this before.
看什么看？没看过啊！
Neither of the men spoke.
两个人都没说过话。