fulcrum

n. 杠杆支点，支柱

fry, fry-up, fryer (also frier), frying-pan, frying-pan (US fry-pan), FT, fuchsia, fuck, fuck-all, fuck-up, fucker, fucking, fuddle, fuddy-duddy, fudge, fuel, fug, fuggy, fugitive, fugue, fulfil, fulfil (US fulfill), fulfill, fulfilled, fulfillment, fulfilment, full, full back, full beard, full board, full house, full marks, full moon, full page, full stop (also full point, US period), full time, full-blooded, full-blown, full-bodied, full-length,