Pmf
abbr. probable maximum flood(ing) 可能最大血崩，可能性最大洪水
🗣️ 情景例句
And it needs your contributions of furniture,
而且也需要你捐献家具，
He said he would rather not tell his age.
他说他不愿告诉年龄。
Not wanting to frighten the poor man,
理查兹夫人不想吓唬这个可怜人，