fretsaw

n narrow saw fixed in a frame, used for cutting designs in thin sheets of wood 线锯; 钢丝锯; 镂花锯.

frenetically, frenzied, frenziedly, frenzy, frequency, frequent, frequently, fresco, fresh, fresh-, freshen, freshener, fresher, freshly, freshman, freshness, freshwater, fret, fretful, fretfully, fretwork, Freudian, Freudian slip, Fri, friability, friable, friar, friary, fricassee, fricative, friction, Friday, fridge, fridge-freezer, fried, friend, friendless, friendliness, friendly, friendly match (also friendly),