stipple

To create texture, the artist stippled the shadow areas with a fine pen.

用法提示：stippled 是 stipple 的过去式，作谓语动词，表示用点状笔触表现阴影。

She is stippling the background to give the painting a soft, grainy look.

用法提示：is stippling 是现在进行时，表示正在用点画法绘制。

The illustrator stipples the leaves so they look rough and shaded.

用法提示：stipples 是第三人称单数现在时，描述习惯性动作。