Frr
abbr. 纤维增强橡胶（Fiber Reinforced Rubber）；拒真率（False Rejection Rate）
🗣️ 情景例句
I don't think so.
我不这么想。
The basketball championship is exciting.
那次篮球冠军赛真激动人心。
Well, I haven't got much either!
唉，我也不多了。