（单词翻译:单击）
F
facility,faction,faculty,famine,fantasy,fatigue,feast,filament,firmness,
fitness,flank,fluctuation, formula,formulation,fortnight,fortress,fragment,fraternity,fulfillment,
fumble,furry
G
gap,garment,gene,generalization,generosity,genocide
H
hazard,hierarchy,hindrance,hospitality,hostage
