星期天,我起了个大早去紫薇广场锻炼身体。太阳刚刚升起,我手扶栏杆做伸腿运动,突然发现牛头山上下来许多爬山的人,有老有少,听说他们天还没亮就来爬山了,平时人就很多,一到星期天人就更多了。我想这么早来爬山对身体真有好处吗?于是,我去问妈妈,妈妈说:“早上空气好,所以有这么多的人去爬山。” Sunday, I played a big early to crape myrtle Square exercise. The sun has just risen, I handrails to do leg exercises, suddenly found that many people climbing up and down the mountain, there are less and less, I heard that they did not light to climb, and usually a lot of people, one Sunday More So, I went to ask Mom, Mom said: “Good morning air, so there are so many people to go hiking.”