1. He failed to return from a patrol.
他没能从一次巡逻中回来。
2. Highway patrol officers closed the road.
公路巡警关闭了这条路。
3. Guards patrol the perimeter of the estate.
保安人员在庄园四周巡逻。
4. A hand grenade was thrown at an army patrol.
一颗手榴弹被扔向陆军巡逻队。
The police patrol the streets to ensure public safety.
警察在街上巡逻以确保公共安全。
The soldiers were on patrol along the border.
士兵们正在边境沿线巡逻。
The security guard made his rounds,
patrolling the entire building.
保安人员进行巡逻，检查整个建筑物。
The coast guard patrols the waters to prevent illegal fishing.
海岸警卫队巡逻海域以防止非法捕鱼。
The park rangers regularly patrol the forest to monitor wildlife and prevent poaching.
公园管理员定期巡逻森林，监控野生动物并防止偷猎。
The air force conducts aerial patrols to monitor enemy movements.
空军进行空中巡逻，监视敌方动向。
The police increased their patrol frequency after a series of burglaries in the neighborhood.
在附近发生一系列入室盗窃案后，警方加大了巡逻频率。
The border patrol agents searched for any signs of unauthorized entry.
边境巡逻人员搜寻任何非法入境的迹象。
The fire department conducts night patrols to check for fire hazards.
消防部门进行夜间巡逻，检查火灾隐患。
The teacher patrolled the classroom to keep students focused during the exam.
老师在教室里巡逻，让学生在考试时保持专注。
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