安全是个永恒的话题,它是幸福的重要条件。在千篇一律的日子中,恐怕很少有人能时刻想到安全。在我们的校园就曾发生过一件这样的事情。阳光像往常一样明媚,午饭时间的楼道像往常一样拥挤,同学们像沙丁鱼般缓缓移动着。有两个初一年级的男生不顾拥挤很投入地打闹着,高个子猛地把矮个子推向几 Security is an eternal topic, it is an important condition of happiness. In stereotyped days, I am afraid few people can always think of safety. One such thing happened on our campus. The sun shone bright as usual, the corridor at lunchtime crowded as usual, and the students slowly moving like sardines. There are two boys in the first grade regardless of congestion is very engaged in the prank, the tall man suddenly pushed the short man to a few