Pio
abbr. 过程输入输出（Process input output）；并行输入输出（Parallel Input Output）；可编程输入输出（Programmed Input Output）；新闻发布官（Public Information Officer）
🗣️ 情景例句
and lay them face down.
将牌盖住。
What's the fare?
车费多少？
I know that he's doing his best, but he says that he is a little weak in Chinese.
我知道他非常努力，但他说他的中文有点儿差。