Pkb
abbr. 便携式键盘（Portable KeyBoard）；光电键盘（Photoelectric KeyBoard）
🗣️ 情景例句
What university did you graduate from?
你从哪所大学毕业的？
Did you clean this yourself?
你自己亲自清理这个？
This was indeed the case.
但事实上确有此人。