patrolman

名词 patrolman:

1. a policeman who patrols a given region
   同义词：flatfoot

1. The patrolman signed for them to halt.
   巡逻警察做手势要他们停下。

pa.trol.man

n.（名词）
A policeman who patrols or polices an assigned area.
巡警：在指定地区巡逻或担任警戒的警察
One who patrols an assigned area.
巡哨：在指定地区担任巡逻任务的人