运动前准备不足运动前准备不足
In th P.. class w had th long-distanc running.W had a warm-up bfor it. But I was lazy and didn＇t do it wll. Whn I was running, I suddnly fll to th ground. I pulldth muscls in th lg.
体育课上，我们要进行长跑。长跑前我们为此做准备活动，但是我很懒没有好好做。跑步时，我突然倒在地上。我腿上的肌肉拉伤了。
