forefather

n.祖先，祖辈

forcefulness, forcemeat, forceps, forcible, forcibly, ford, fordable, fore, fore-, forearm, forebear (also forbear), forebode, foreboding, forecast, forecaster, forecastle (also focsle), foreclose, foreclosure, forecourt, foredoomed, forefathers, forefinger, forefoot, forefront, foregoing, foregone, foreground, forehand, forehead, foreign, foreign exchange, Foreign Secretary, foreigner, foreignness, foreknowledge, foreland, foreleg, forelock, foreman, foremost,