a police spokesman的用法和样例：
- He was pronounced dead at a hospital, a police spokesman said.
- In coming days he will have to appear in front of a judge on charges of "illegally bearing arms without a license," a police spokesman told reporters.
- A police spokesman said on Tuesday the weekend mayhem began during morning shopping hours in the town of Veitshoechheim.
- Pakistan cricket coach Bob Woolmer was murdered, a police spokesman said Thursday.
- A police spokesman told the BBC the journalists were detained in the eastern city of Trincomalee.