发信号者挥动旗子来指挥交通。

The signaler waved a flag to direct the traffic.

交通警察在十字路口指挥交通。

The traffic police direct traffic at the intersection.

警察在高峰时段帮助指挥交通。

The policemen help direct traffic during rush hour.

女警官正在指挥交通。

The policewoman is directing traffic.

女警在街角指挥交通。

The policewoman is directing traffic at the corner.

警察通过传声筒指挥交通。

The police directed traffic with a megaphone.

警察在交叉点指挥交通。

The police officer directed traffic at the intersection.

警察在游行期间指挥交通。

The police officer directed traffic during the parade.

警察在拥挤的大街上指挥交通。

Police directed traffic on the crowded thoroughfare.

警察在繁忙的十字路口指挥交通。

The policeman directed traffic at the busy intersection.