守护校园□王云杰夜渐深了，街头早已路断人稀。然而，在白山市第二十一中学励学台的台阶道口，在解放中学民乐桥头，在市第八中学铁道岔路口，在市第十六中学江堤便道上，无论是严冬酷暑，还是刮风下雨，随时可见到巡警，他们夹杂在下晚自习回家的学生中间，时而并行，时... Guardian of the campus □ Wang Yunjie night is getting dark, the streets have long been sparsely populated. However, in Baishan City, the twenty-first secondary school Jiuxue station step level crossing, in liberation of secondary music bridge, at the city eighth middle school railroad junction, in the city sixteenth secondary school embankment pavement, both winter and winter, or scraping Wind and rain, patrolmen can be seen at any time, they mixed in the next night to go home study students in the middle, sometimes parallel, when ...