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 of milk奶滴
dropped goal踢球入门
dropped backv.退后(后撤;落后)
dropping pit粪沟,粪坑
dropin level高差
drop crusher冲唤破碎机
dropped coal落煤
dropped overv.非正式访问(顺便来访)
drop pipette滴液吸移管
drop the cue进棺材,死亡