Mister Germont, the head of the Paris police force, came into the room.

VOA: special.2009.12.26

In other words, they probably bear a distant relation to the semiotics of the stoplight, and that's probably why red was chosen for ambulances and police cars: because they put into your head the notion of "stop."

这很可能是源自于,红灯在一些语义中表示停止的意思，它被应用在了救护车和警车上：,因为他们带有警告的意味“

耶鲁公开课 - 文学理论导论课程节选

Campbell had given the stones to then head of the Nelson Mandela Children's Fund Jeremy Ratcliffe, who recently handed them to police.

VOA: standard.2010.08.09

They include the Minister of Police, national police chief and the head of the provincial government.

VOA: standard.2010.04.05