Frr
abbr. 纤维增强橡胶（Fiber Reinforced Rubber）；拒真率（False Rejection Rate）
🗣️ 情景例句
Tell me plainly what you mean.
把你的意思明明白白告诉我。
To fly away
飞走
They were climbing up the wall of the house and then on to the leaves of the tree.
它们正在顺着房子的外墙往上爬，然后爬上树叶。