scumble

英语翻译：

scumble读

vt. 薄涂(颜色)
n. 渐淡, 渐淡画法, 薄涂

动词过去式:scumbled 过去分词:scumbled 现在分词:scumbling 第三人称单数:scumbles

the application of very thin coat of color over the surface of a picture