Piing
abbr. 产品改进（Product Improve）
🗣️ 情景例句
I've been working like a madman all day.
我今天一整天都像个疯子一样工作。
He always forgets to wash behind his ears.
他总是忘记洗耳朵后面。
Once you begin，you must continue.
一旦开始，你就得继续。