flexuous：弯弯曲曲的，蜿蜒的 

词根词缀： -flex-弯曲,曲折 + -uous形容词词尾

• forceps
• forcible
• ford
• fore
• fore-
• forearm
• forebear
• forebode
• forebrain
• forecast
• forecastle
• foreclose
• forecourt
• foredoomed
• forefather
• forefinger
• foregoing
• forehead
• foreign
• foreign-returned
• forelock
• foreman
• foremost
• forensic
• foreplay