Pfs
abbr. porous friction surface(d) 渗透摩擦面
🗣️ 情景例句
My mother would take us everywhere, too.
我妈妈也是带我们各处走。
Better be the head of an ass than the tail of a horse.
宁为驴头，不为马尾。
You may pick them up in utter exhaustion, if wind over the sea has driven them to a long journey.
如果海风驱使它们飞行很长距离，你可以捡到一些因筋疲力尽而摔下来的鹧鸪。