trafficlessadj.无通信的trafficn.（人或车等）交通流量；不正当生意（走私）v.做生意（多指违法的）；游览traffic management information交管信息traffic axle load distribution轴荷载分布traffic behavior consciousness交通行为意识Traffic creeps at that hour.那时刻交通流动缓慢traffic information extraction交通信息提取traffic accident determination交通事故认定书traffic produced air pollution交通空气污染traffic congestion level index交通拥挤水平指数traffic congestion measurement拥堵评价Traffic Information Management交通信息管理