1
- a person or group of people sent to keep watch over an area, especially a detachment of guards or police巡逻兵; 巡逻队：
a police patrol stopped the man and searched him.
警察巡逻队拦住那个人并对他进行了搜查。
1.1
- mass noun the action of keeping watch over an area by walking or driving around it at regular intervals巡逻, 巡查：
the policemen were on patrol when they were ordered to investigate the incident.
当这些警察被命令去调查那个事件的时候, 他们正在执勤巡逻。
1.2
- an expedition to carry out reconnaissance巡逻, 侦察：
we were ordered to investigate on a night patrol.
我们奉命在夜间巡逻时去调查此事。
1.3
- a detachment of troops sent out to reconnoiter巡逻队, 侦察队：
you couldn't go through the country without meeting an enemy patrol.
你不可能穿越该国而不碰上敌人巡逻队的。
1.4
- a routine operational voyage of a ship or aircraft（飞机或舰船的例行）巡逻：
a submarine patrol.
一次潜艇巡逻。
1.5
- a unit of six to eight Scouts or Guides forming part of a troop童子军小队。
1.6
- Brit. an official who controls traffic where children cross the road〈英〉（儿童穿越马路处的）交通管理员：
there were two schools but no crossing patrol.
这里过去有两所学校, 但是却没有一个交通管理员。
(patrolled, patrolling)with obj.
- keep watch over (an area) by regularly walking or travelling around it在…巡逻：
the garrison had to patrol the streets to maintain order
卫戍部队不得不在街道上巡逻来维持秩序
no obj. pairs of men were patrolling on each side of the thoroughfare士兵们两人一组地在大道两边巡逻。
派生词
patroller
noun词源
mid 17th cent. (as a noun)： from German Patrolle, from French patrouille, from patrouiller 'paddle in mud', from patte 'paw' + dialect （gad）rouille 'dirty water'.