Well, once a grain of sand is lifted into the wind and dragged along, when it hits the sand surface again, it almost splashes, driving more grains of sand up into the wind.

嗯，一旦一粒沙子被风动并拖着走，当撞击沙子表面时，会溅起涟漪，将更多沙粒向风中。

He has no chance, Jon thought when he watched Stonesnake vanish over a snow-covered ridge, a tiny black bug crawling across a rippling expanse of white.

他回。琼恩一边看着石蛇消失在大雪覆盖山脊上，一边想。他如一只渺小黑甲虫，爬附在起着涟漪无垠白原中。