Kf
abbr. 知识模块（knowledge fusion）；关键帧（KeyFrame）
🗣️ 情景例句
And when you both say, I do,
当你们两人都说 我愿意 时，
What are you doing?
你正在做什么？
Bones were carved into needles and tools, and the teeth were used to make necklaces.
骨头则雕琢成针和工具，牙齿用来作项链。