Water color painting is done with water paints on paper. 水彩画是指用水彩在纸上做得画。

　　Water color painting is often used for children's activities. 水彩画经常用于儿童活动。

　　From long time ago, a lot of painters used water color painting for sketches, copies or cartoons. 很久以前，很多画家用水彩画素描、复印东西和画卡通画。

　　How old is water color painting exactly? No one is sure. 水彩到底存在多长时间了？没有人能确定。

　　But some people say water color painting existed in European Middle Ages. 但有人说欧洲中世纪就有水彩画了。