Pmf
abbr. probable maximum flood(ing) 可能最大血崩，可能性最大洪水
🗣️ 情景例句
His books exposed people to new ideas.
他的书使人们接触了新思潮。
Where drums beat,laws are silent.
战鼓一响，法律无声。
acquired this man-made disease as a pestilence.
而欧洲自己却染上了这种人为的瘟疫般的疾病。