1. police的意思是“警察”,指警察这个官方机构。The police are the official organization that is responsible for making sure that people obey the law.  是单数形式的复数名词,前面一般要用定冠词the, 但在英语报道或口语中，有时省略不用。后面跟动词的复数形式。

The police are also looking for a second car.警方也在寻找另一辆车。

Police say they have arrested twenty people following the disturbances.警方说骚乱发生后他们已逮捕了20人。

2.police可以指人（即：警察）。Police are men and women who are members of the official organization that is responsible for making sure that people obey the law.

用they，their等复数代词指代,可受these, most, several, many, dozens of等表示不确切的量词修饰,也可受2以上基数词修饰,但不可用a或one修饰表示单个警察。

More than one hundred police have ringed the area.这一地区已被上百名警察包围。

3. police在句中可用在其他名词前作定语。

I noticed a police car shadowing us.我注意到一辆警车尾随着我们。