素描,最普通的说法就是指单色画,也有用“朴素的描绘”来概括的。虽然有些素描并不是用唯一单色来描绘的,但是因其“朴素”“单纯”的特征而仍旧归于素描的范畴。在西方,速写和素描并没有明确的界限,我国的线描也应属于素描的范畴,甚至那些原始人在岩洞的墙壁上和地上所作的原始绘画,大概也应属于素描的范畴吧。所以,笔者理解的素描是指用较为简单的工具,用较单纯、朴素的色彩, Sketch, the most common argument is monochrome painting, but also useful “simple description ” to summarize. Although some sketches are not portrayed in unique monochrome, they are still attributed to sketches because of their “simple” and “simple” features. In the West, sketches and sketches have no definite boundaries. Our line drawings should also belong to the category of sketches. Even primitive paintings made by primitive people on the walls of caves and on the ground should probably belong to the category of sketches. Therefore, I understand the sketch is a relatively simple tool, with more simple, simple color,