Piing
abbr. 产品改进（Product Improve）
🗣️ 情景例句
I've got it. This one's on me.
我都付了。这一顿我请客。
It seems he's handsome.
看起来他好像很英俊。
If we could stay as vigorous as we are at twelve,
假如我们能保持12岁时的旺盛生命力，