每当你行走在大街上，或许你会因为交通阻塞而厌烦，或许也会因为一路顺风而心情舒畅。可是你是否注意到，那整日伫立在大街中央的交通警察，无论酷暑寒冬，都坚守在这一平凡而又特殊的岗位上。日复一日，年复一年，正是他们，把自己的青春岁月献给了城市交通的顺畅与安全。走 Whenever you walk in the street, maybe you will be tired of traffic congestion, perhaps because of the wind and feel comfortable. However, did you notice that traffic policemen standing in the middle of the street all day long stand in this extraordinary and special post regardless of the intensity of the winter? Day after day, year after year, it is them that dedicated their youth to the smoothness and security of urban traffic. go