Ppr
abbr. 现在分词（present participle）
🗣️ 情景例句
So, why don't you call him in the morning?
那么你为何不明天早上打个电话给他？
Kill two birds with one stone.
一石双鸟；一箭双雕。
We need it in our office by next Monday.
下星期一以前要送到我们公司。