12月2日，合肥市交警支队公巡一大队警官陈若缇教孩子们认识交通手势。当日是我国首个“全国交通安全日”，合肥市洪岗社区邀请合肥市交警支队公巡一大队警官为辖区小朋友讲解交通安全知识，让孩子们养成遵守交通信号、安全文明出行的意识。新华社记者 刘军喜 摄     Dec. 2,,Hefei city traffic police detachment and patrol a brigade officers ChenRe twip teach the children know the traffic sign.That day is China's first"The national transportation safety day",Hefei in hefei HongGang community invited traffic police detachment and patrol a brigade officers for children jurisdiction explanation traffic safety knowledge,Let the children develop obey the traffic signal/Safety civilization travel consciousness.Xinhua news agency reporters LiuJunXi perturbation