This is the 2600th most frequent Chinese word.
警察局
Police station.
警察局 in this sentence refers to the physical location of the police department where people congregate.
今天早上有许多人都在警察局排队。
This morning, many people were lining up at the police station.
警察局 in this sentence represents the institution where individuals can report incidents or seek assistance.
小王决定去警察局报告他的钱包丢失事件。
Xiao Wang decided to go to the police station to report the loss of his wallet.
警察局 in this sentence is used to indicate the location under discussion concerning operational improvements.