城市警察

例句：

1. 1. The citypolice are investigating the incident.
   城市警察正在调查这起事件。
2. 2. He was arrested forviolating traffic regulations.
   他因违反交通规则而被逮捕。
3. 3. The city police areworking tirelessly to ensure public safety.
   城市警察正不懈努力以确保公众安全。