咱们画图,有时候为的实用。编撰关于动物植物的书籍,要让读者明白动物植物外面的形态跟内部的构造,就得画种种动物植物的图。修建一所房屋或者布置一个花园,要让住在别地的朋友知道房屋花园是怎么个光景,就得画关于这所房屋这个花园的图。这类的图,绘画动机都在实用,读者看了,明白了,住在别地的朋友看了,知道了,就完成了它的功能。这类图决不能随便乱画。首先要把画的东西看得明白,认得 We draw, sometimes for practical. Compiled books on animal plants, let readers understand the animal plants outside the shape and internal structure, you have to draw a variety of animal plants map. Build a house or decorate a garden so that friends who live elsewhere know how the house garden is and draw a picture of the garden of the house. Such plans, drawing motivation are practical, the reader read, understand, living in friends looked around, know, to complete its function. Such pictures must not be drawn on the fly. First of all, we must understand clearly what we see and recognize