Security guards make regular patrols at night.

夜间保安人员定时巡逻。

SergeantEisch readied his platoon for its first foot patrols.

中士Eisch已经准备好他们排的第一次徒步巡逻。

But the Americans continue to leave the compound on patrols.

但美国人还会继续走出据点巡逻。

Then, add random patrols inside the walls to verify people's identity.

然后在墙内添加随机巡逻队，以验证人员的身份。

It is building a park headquarters and setting up anti-poaching patrols.

他们正在建造公园指挥部，组建反盗猎巡逻队。