gradient

n.(尤指公路或铁路的)坡度，斜率，倾斜度; (温度、压力等的)变化率，梯度变化曲线 复数：gradients 牛津词典 noun （尤指公路或铁路的）坡度，斜率，倾斜度the degree to which the ground slopes, especially on a road or railwaya steep gradient陡峭的坡度 a hill with a gradient...