落尘风向图 fallout wind plot

沦落风尘 Prostitution

沦落风尘一妇人 Madame

顺风落尘 downwind fall-out

上风落尘 upwind fall-out

下降风落尘 katabation wind fall-out

堕落风尘 become a prostitute

女子沦落风尘 be driven to prostitution