[usu. in sing.](informal)an event that is spoiled by constant or heavy rain (非正式)因雨而受影响的活动 ■a disappointing failure 令人失望的失败 the film was branded a colossal washout. 这部电影被认为是极失败的。
a breach in a road or railway track caused by flooding (道路、桥梁被洪水)冲溃 ■(Geology)a channel cut into a sedimentary deposit by rushing water and filled with younger material (地质)冲刷沟
(Medicine)the removal of material or a substance from the body or a part of it, either by washing with a fluid, or by allowing it to be eliminated over a period (医)(体内物质的)清除