交通警察是TRAFFIC POLICE

交通警察是TRAFFIC POLICE the traffic police是单数还是复数 traffic police怎么读? traffic police与traffic policeman 有什么区别? Traffic police are sometimes very polite. traffic是 There must be police dealing with traffic accident怎样翻译 The police blamed the traffic accident on his careless drivi The police are __ the traffic accident that happened yesterd A traffic accident happened in the street.The police arrived police were sent to directing traffic and they soon brought The traffic police must ___ what caused the accident.(found