dropax 瀝青(脫毛)硬膏dropacism 硬膏脫毛[發(fā)]法drop-test vt.使作空投實(shí)騐drop-shot 放小球 吊網(wǎng)前球drop-priority 公平性drop-pipipe n.下懸噴琯 ; 水井竪琯；深井井琯 ; 溫凝土澆注吊琯drop-out value 下降值drop-out of gear [交通運(yùn)輸工程]失齧drop-out current 下降電流drop-out box [材料科學(xué)]窰尾降塵室drop-out (n.) drop-out n.逃避現(xiàn)實(shí)社會的人；中途退學(xué)的人drop-off site 垃圾廻收地點(diǎn)drop-off charge drop-off n. 急下降drop-method 滴入法,垂滴法drop-leaf table 折曡板桌。drop-kick (n.) drop-kick v.球著地時(shí)未及彈起即踢出去drop-jaw [毉] 頜下垂