chēduì / chūfā / shí / yí liàng / jǐngchē / fùzé / qián dǎo / tíxǐng / hòufāng / chēliàng / jíshí / bìràng

车队出发时，一辆警车负责前导，提醒后方车辆及时避让。

When the convoy set off, a police car led the way and reminded vehicles behind it to move aside promptly.