traffic police

汉语翻译

例句：

1. The traffic police flagged the passing car down.
   交通警察挥旗命令那辆经过的汽车停下来。
2. The road is very narrow, so the traffic police have to set the pace for the drivers.
   这条路非常窄，所以交通警察不得不给司机规定出驾驶速度。