Dropet德罗佩
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 one's guard失去警惕
drop accumulator滴液聚集器
drop-down menu下拉菜单
drop brake shaft落下式手制动轴
drop this course放弃这门课
drop a bad habit丢掉坏习惯
Drop Impact Test跌落撞击测试
dropping pipette滴液吸移管
drop-off month不需要的月份
drop-off point下客点