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同学们,你知道什么叫一笔画图形吗?如果用笔在纸上连续不断,又不走重复的线路,一笔画成某种图形,那么这种图形就叫做一笔画图形.下面的每个图形你能笔尖不离纸的一笔画成吗?试试看.
Classmates, do you know what a drawing is? If you use a pen on a piece of paper that runs continuously and without repetitive lines and draws a stroke into a shape, then that shape is called a stroke. Each of the following shapes Can you tip off a piece of paper? Try it.