| 释义 |
〔halocline〕A vertical gradient in ocean salinity.（海洋的）盐度跃层：海水盐度竖直梯度变化明显的水层〔grade〕To level or smooth to a desired or horizontal gradient.减少坡度：使…平整或光滑到一个预期的或水平的梯度〔shading〕The lines or other marks used to fill in outlines of a sketch, an engraving, or a painting to represent gradations of color or darkness.影线：用于填充素描、雕刻或油画的线条或其它痕迹以展示颜色或暗度的梯度 |