Kf
abbr. 知识模块（knowledge fusion）；关键帧（KeyFrame）
🗣️ 情景例句
I didn't even finish it.
没有能吃完它。
Some people sometimes ask me what is the secret of such a tremendous growth.
有时有人问我取得如此惊人增长的秘密是什么。
Because of this, they were known as 'prizefighters'.
因此，他们被称作“职业拳击手”。