一篇描写北京沙尘暴的英语文章要求80单词左右 内容小明在今年春天去北京参加了希望之星演讲比赛,在那里他有生以来第一次遇到

Xiao-Ming in the spring of this year went to Beijing and took part in the Star of Hope speech contest,on that day he first saw a sandstorm.That had a very clear sky,but suddenly the sky became dark,the ground is sand,unable to move pedestrians and traffic.This is his very scared because he remembers the first time encountered a dust storm.