stipple是什么意思？

vt. & vi.

加点、绘斑，加粒

vt.

(把油漆、水泥等的表面)弄粗糙

n.

点画

点刻效果

Verb

1. engrave by means of dots and flicks

2. make by small short touches that together produce an even or softly graded shadow, as in paint or ink

3. apply (paint) in small touches

4. produce a mottled effect;