Six policemen started to erect a roadblock.
六个
察着手建立一道路障。
，干扰;;
站;;作用的事物或人;、阻某事物进展或活动的人或物;物，屏障;
…绕道而行;Six policemen started to erect a roadblock.
六个察着手建立一道路障。
The police had set up a roadblock and waved several drivers down.
下路障并挥手示意几位司机停车。
Police have set up a roadblock on the road to London.
察在通往伦敦的路上置了路障。
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