每天放学后,空无一人的楼道里,总有一个蓝色的身影在默默地忙碌,微微佝偻的背影闪耀着一种特别的美。课间,当同学们结伴走过光亮如镜的楼道,留下几串肮脏的脚印扬长而去时,她毫无怨言地拿起墩布,轻轻将脚印擦干净,还要细心地立起一块黄色的牌子,提醒同学们“地面未干,小心滑倒”。大家总是因为她的宽容而忽略了她,仿佛洁净的学习环境是天经地义的。看着那蓝色的身影,我心中一阵愧疚。还记得那天,厕所里恶臭扑鼻,污水溢溢 Every day after school, empty corridor, there is always a blue figure in the quiet busy, slightly shy back shining a special beauty. During class, when the classmates walked together through the bright corridor, leaving a few strings of dirty footprints away, she took the mop without complaint and wiped the footprints gently and erected carefully A yellow sign to remind students “the ground is not dry, carefully slipped ”. We always ignore her because of her tolerance, as if a clean learning environment is perfectly justified. Looking at the blue figure, my heart a while guilty. Remember that day, the toilet stinks, overflowing overflowing