F 開頭單詞
falling tide [海洋] 落潮；[海洋] 退潮
falling stile 垂落門梃
falling star 流星
falling snow 飄降著的雪
falling sickness n. 癲癇；（家畜的）癲癇發(fā)作
falling rock formation [教育學(xué)]塌落巖層
falling rate drying period [物理學(xué)]下降率干燥期
falling price 跌價(jià)
falling over 遠(yuǎn)彈著；極度倒伏
falling out of feather [農(nóng)業(yè)科學(xué)]羽毛脫落
falling out 舷緣外傾
falling off 減少；降落
falling market 市場價(jià)格下跌
falling liquid film [土木建筑工程]降膜
falling leaf 落葉式飛行，落葉式失速墜降
falling intonation 降調(diào)
falling in love 墜入情網(wǎng)
falling in 舷緣內(nèi)傾；陷落；塌陷
falling head permeameter [經(jīng)濟(jì)學(xué)]降水頭滲透率儀