吃透英语课本，提升在校竞争力
phrase. 洗掉；洗净；冲走
The local people think that water can wash away bad things and bring good luck.
当地人认为水可以冲走坏东西，带来好运。
The rain will wash away the mud.
雨水会冲走泥土。
The rain will wash away the dirt.
雨水会冲走污垢。
