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.
まさにツキがありました 火星では時折 ご覧のようなつむじ風が発生して ローバーの埃を吹き飛ばしてくれるのです