furrow

vt.犁地；起皱纹

funnel, funnily, funniness, funny, funny-bone, fur, furbelow, furbish, furious, furiously, furl, furlong, furlough, furnace, furnish, furnishings, furniture, furor, furore, furrier, furry, further, further education, furtherance, furthermore, furthermost, furthest, furtive, furtively, furtiveness, fury, furze, fuse, fuse wire, fuse-box, fuselage, fusible, fusilier, fusillade, fusion,