“快闭眼!”又一阵风沙刮过来了。同学们一个个都侧着身子,捂住鼻子,有的人甚至蒙住了脸。可是,风沙越来越大,肆无忌惮地扑面而来,我们无可奈何地退进了教室。我仔细打量着这可恶的“入侵者”。只见风夹杂着沙尘,就像咆哮的江水一样到处乱撞。一会儿,它变成了半圆形,裹起地 “Quick eyes closed! ” Another gust of sand scratch over. One by one students are all sideways, covered his nose, and some even covered his face. However, the wind and sand more and more big, brazenly blowing, we reluctantly retreat into the classroom. I looked carefully at this damn “intruder.” I saw the sand mixed with dust, like the roaring river everywhere, like a collision. For a moment, it becomes a semicircle, wrapped around