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falling over 遠彈著；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 again falling in love 墜入情網(wǎng)falling in 舷緣內(nèi)傾；陷落；塌陷falling head permeameter [經(jīng)濟學(xué)]降水頭滲透率儀