那天,我在教室里批改作业,不经意地抬起头,看到班里最矮最瘦的“小不点”杜凡背对教室,两手在走廊的水泥护栏上一撑,两只脚便离开了地面,身子一下子探到护栏外面。我冲出教室,这时他已经转过身稳稳地坐在护栏上,还快活地甩动着双脚,划动着双臂,可是不到3秒钟,他的身子失去平衡,开始向后倒仰,我几乎是飞一样地冲过 On that day, I changed my homework in the classroom, looked up inadvertently, and saw the shortest and thinnest in the class. “Vanityless” Du Van back to the classroom, his hands on the cement fence in the corridor, the two feet left Ground, body suddenly explore the fence outside. I rushed out of the classroom, when he had turned round and steadily sat on the parapet, jerked his feet happily and paddled his arms, but in less than three seconds his body was unbalanced and started After tilting back, I almost crossed the same fly