Dropa德罗保dropvt.落下；跌倒；下降；放弃；漏掉；断绝关系n.滴；微量；减少；滴状物drop stitch漏针dropper box升降梭箱drop-away转体弯腰躲闪drop signal跌落信号drop-call掉话drop acrossvt.偶然遇见(训斥)drop bottle滴药水瓶,滴瓶drop sorter降落式选别机drop a dimevt.向警察报告违法行为drop roller递墨辊