flutyadj.似笛声的;柔软清澈的
flun.流行性感冒
fluororadiography荧光摄影
fluoric cachectic氟中毒恶病质的
fluvial processes河床演变
fluctuating level波动水平
fluviatile action河流作用
fluorohydrocarbon氟代烃
fluvialite facies河流相
fluorinated water[医] 氟强化水
fluorinating foam氟化泡沫
fluctuating ocean起伏声场