Pmf
abbr. probable maximum flood(ing) 可能最大血崩，可能性最大洪水
🗣️ 情景例句
Not at all. It's my pleasure.
不客气。这是我的荣幸。
I asked him a lot of questions.
我问他很多问题。
When he landed near Dover, the first person to greet him was a local policeman.
当他在多佛着陆后，第一个迎接他的是当地一名警察。