They can eat flesh off bones and etch the bones to slivers." " Why don't they have weather control? " " Arrakis has special problems, costs are higher, and there'd be maintenance and the like.

他们可以吃掉骨头上的肉， 把骨头腐蚀成碎片。 ”“为什么他们没有天气控制？ ” “Arrakis 有特殊问题， 成本更高，而且需要维护等。