回帖︰tomeji:ffk到底是什麽，也是一種妓院嗎？還是怎麽樣的 (2024-09-04 19:57) 
FKK 的意思是 "Freikörperkultur," which translates to "free body culture" in English. It is a German movement that promotes nudity and a more relaxed attitude towards the human body.上網找的，如有錯誤請各位大大指正。