相关单词近义词 abruptness 突然, sharpness 锐利, gradient 倾斜度, sheerness 透迷, precipitousness 险峻临近词steep, steepest ascent, steep seam coal, steep coal seam, steepness of LC, steeping degree, steep manoeuvre, steep wavefront, steep land soil, steep handicraft, steep oneself in 返回 steepness