food-chain

n series of living beings arranged so that each being feeds on the one below it in the series 食物链.

follow through, follow up, follow-on, follow-through, follow-up, follower, following, folly, foment, fomentation, fond, fondant, fondle, fondly, fondness, fondue, font, food, food processor, food value, foodstuff, fool, fool around, fool with, foolery, foolhardiness, foolhardy, foolish, foolishly, foolishness, foolproof, foolscap, foot, foot-and-mouth, foot-and-mouth (disease), foot-bridge, foot-fault, foot-note, foot-slog, footage,