ferment

n.激动不安

felt, felt-pen, felucca, fem, female, feminine, femininity, feminism, feminist, femme fatale, femoral, femur, fen, fence, fencer, fencing, fend, fender, fennel, feral, fermentation, fern, ferny, ferocious, ferociously, ferocity, ferret, Ferris wheel, ferroconcrete, ferrous, ferrule, ferry, ferry-boat, ferryboat, ferryman, fertile, fertility, fertilization, fertilisation, fertilize, fertilize, fertilise,