Pfs
abbr. porous friction surface(d) 渗透摩擦面
🗣️ 情景例句
My daughter isn't feeling well.
我女儿感到不舒服。
A discount of six percent is all that I'm authorized to offer you.
6%的折扣是我权限内所能给你的。
But they still put their stockings at the end of their beds.
但他们仍然把自己的长统袜挂在床脚边。