Rcs
abbr. 雷达横截面（Radar Cross-Section）；皇家外科医生协会（Royal College of Surgeons）
🗣️ 情景例句
Guess who I ran into today?
你猜我今天碰见谁啦？
I can't afford it.
我买不起。
I think it's broken.
我觉得好象坏了。