习惯用语scour off1.擦掉, 刮掉scour out1.把里面擦刮干净特殊用法alternate scour1.交替冲刷local scour1.局部冲刷river-bed scour1.河床冲刷tidal scour1.【地质】潮刷white scour1.【兽】犊牛白痢