巡行

例句：

1. 1. The police are conducting a thorough search of the area.
   警方正在对该地区进行彻底的搜查。
2. 2. The scientist conducted a survey of the local wildlife.
   科学家对当地的野生动物进行了调查。
3. 3. The army is on patrol in the deserted countryside.
   军队在荒凉的乡村进行巡逻。