The higher cohesion is, the harder it is to break the sand up, the bigger the clumps are.

内聚力越强，沙子也就越难被打散，沙子的块头就越大。

These adorably over-sized ears allow them to hear prey scuttling in the sand up to half a kilometer away.

这些可爱的超大耳朵使它们能够听到半公里外沙子中爬行的猎物。

I did a lot of sand up in Northern California.

我在北加州做了很多沙子。

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，一旦一粒沙子被风吹动并拖着走，当它再次撞击沙子表面时，它会溅起涟漪，将更多的沙粒吹向风中。