Erosion pit点蚀坑erosionn.腐蚀；侵蚀；减少，流失erosion of sandy coast砂质海岸erosional pharyngalgia烂喉风erosion-control wall防冲墙Erosion--corrosion冲刷腐蚀erosion of levee slope堤坡冲刷erosion of rationality理性之蚀erosion by friction.通过磨擦作用擦掉或消耗掉。erosion classification侵蚀分类erosion-ravaged area侵蚀破坏地区erosion wear mechanism冲蚀磨损