droptv.放下;掉下vbl.
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 dazedly倒毙
drop a glass弄掉杯子, 摔掉杯子
drop-countn.磁带漏码总数
dropped seat凹椅座
dropped sole凸状足底
drop machine落锤试验机
drop manhole跌水窨井
drop in head水头落差
drop in beam挂梁
dropped punt瓶底下沉