fabricate
facet
facile
fagot来源：考试大
falter
famine
feasible来源：考试大
feat
feeble
feign来源：考试大
ferry
fervent
feud来源：考试大
fib
fiddle
filly
flounder来源：考试大
fin
flake
flare
flatter来源：考试大
fledgling
flex
flicker来源：考试大
flimsy
flock
florud
flourish来源：考试大
flunk
fluufy
foliage来源：考试大
forbearance
ford
foresee来源：考试大
fowl
fraction
fracture来源：考试大
fraud
fret
frigid
fumble来源：考试大
furtive
fury
futility