巡逻的英文：
be on (police) patrol

参考例句：

They're on patrol.
他们在巡逻。

line walker
管线巡逻人

Ambush an enemy patrol
伏击巡逻的敌人.

A watchman in a building makes rounds.
大楼的看守人进行巡逻。

Carrier-Based aircraft patrolled above.
以航空母舰为基地的飞机在上空巡逻。

a policeman's beat
警察的巡逻路线

The policemen are now on patrol.
警察正在巡逻。

He rides the borders.
他骑马巡逻边境。

The night watchman makes his rounds every hour.
守夜人每小时巡逻一次。

The soldiers are making their rounds.
士兵们在巡逻。

police是什么意思：
n. 警察部门，警方
v. 巡查；监督，管制
adj. 警察的；有关警察的

The police are on standby.
警察正整装待命。

The police have taken the suspect to the police station.
警察把这个嫌疑犯送到了警察局。

The police have detained two men for questioning at the police station.
警方拘留了两个人在警察局盘问。

He complain of police harassment or of harassment by the police.
他抱怨警察对他的不断侵扰。

The police acknowledged that three police vehicles were damaged.
警方承认有三辆警车被毁。

patrol是什么意思：
n. 巡逻；巡逻队
v. 巡逻

They're on patrol.
他们在巡逻。

The policemen are now on patrol.
警察正在巡逻。

Pirate Guard Patrols: Increase order on your island with a patrol policy.
私人护卫队巡逻:这个政策能提升岛上的Order等级。

The police are patrolling that area very carefully .
警察非常仔细地巡查那个地区。

Patrols were set up on the streets.
街上组建了巡逻队。