Pkb
abbr. 便携式键盘（Portable KeyBoard）；光电键盘（Photoelectric KeyBoard）
🗣️ 情景例句
It sounds so nice.
很好听。
He is working on a book about the Vietnam War.
他正在写一本关于越战的书。
We might say that justice has been done when a man's innocence or guilt has been proved beyond doubt.
当某人被证据确凿地证明无罪的时候，我们也许会说正义得到了伸张。