stipple
verb [ T ] art specialized uk/ˈstɪp.əl/ us/ˈstɪp.əl/
点画，点彩画出
to draw or paint something using small spots or marks
She tried to create the impression of strong sunlight by stippling the canvas in yellow and white. 她用黄色和白色在画布上点画，以营造出阳光强烈的效果。
figurative The evening sky was stippled with a few wisps of low-lying clouds. 傍晚的天空点缀着几抹低低的云彩。
stippling
noun [ U ] art specialized uk/ˈstɪp.əl.ɪŋ/ us/ˈstɪp.əl.ɪŋ/
点画，点彩画法
the activity of drawing or painting using small spots or marks