translation.en: And that's what we found out. It turned out that every once in a while there are dust devils which come by on Mars, as you are seeing here, and when the dust devil comes over the Rover, it just cleans it up.
translation.zh: 这是我们发现的。后来证明偶尔会有 尘旋风刮过火星，如你所见， 尘旋风刮过火星车后，火星车上的尘土就被吹干净了。