fitness

n.健康

fishing-line, fishing-rod, fishing-tackle, fishmonger, fishwife, fishy, fissile, fission, fissionable, fissiparous, fissure, fist, fistful, fisticuffs, fistula, fit, fit into with, fitful, fitfully, fitment, fitted, fitter, fitting, fittings, five, Five Love Languages, five o'clock shadow, five pence (also five p, 5p), five-, fivepenny, fiver, fives, fix, fix in with, fix one's eyes on, fix up, fixate, fixated, fixation, fixative,