涝灾英语怎么说

landslidemudslideground subsidencesaline landgrassland desertificationsoil erosion

黄土高原位于我国地势的第二级阶梯，这里的气候干旱，随着人口的增长，人均耕地减少，造成人们破坏植被、开垦荒地、砍伐森林等现象时有发生，导致黄土高原地区生态环境恶化，泥石流、滑坡、塌陷等自然灾害频繁；黄土高原降水集中在7、8月份，由于降水集中容易出现涝灾，而在冬春季节降水稀少，又容易出现旱情，所以旱涝灾害是影响该地的最严重的自然灾害；黄土高原土质疏松，植被破坏严重，一遇雨天水土流失严重，水土流失使沟谷增多、扩大、加深，致使耕地面积减少，并带走了地表肥沃的土壤．故选：a．

My hometown is in the Huaihe River basin, there has had the significant flooding disaster in 2007. When the flood approaches, nobody choice flinches, completely all fights bravely to combat flooding. Although this flood has created the enormous destruction to us, but we have finally gained the victory! In addition, but also some many Warmhearted person gave us the huge help, the children had may happily go to school.

Slope-slide; Debris Flow; Ground Subsidence;Soil Salinization Grassland Desertification; Water Loss & Soil Erosion

hong lao zai hai