vehicle stream

例句：

1. 1. The traffic police aremonitoring the vehicle stream to ensure safety.
   交通警察正在监控车流以确保安全。
2. 2. Thecity has implemented a new policy to reducevehicle stream and improve air quality.
   该市实施了一项新政策，以减少车流并改善空气质量。
3. 3. The car driver wascaught speeding in the vehicle stream.
   这名汽车司机在车流中超速行驶被抓获。