FOabbr.陆军校级军官（=field officer）abbr.野战命令（=field order）abbr.财政官员（=finance officer）abbr.空军中尉（=flight officer）abbr.（英国等）外交部（=foreign office）Fotei福泰

1. This is probably a follicular cyst.
   这很可能是卵泡囊肿。