police

警察、警方视为复数

The police are still looking for two missing witnesses.

警方仍在寻找两名失踪的证人。

警员、员警常用复数

Three police were injured during the protest downtown.

市区抗议期间有三名警员受伤。

维持治安、巡逻

Officers on horseback police the park every evening.

骑警每天傍晚在公园一带巡逻维持治安。

监管、管制

The industry is expected to police itself without new laws.

外界期待这个业界不必立法就能自我监管。