男警察的复数形式是policemen。policemen的例句是He was jailed for life in 1966 for the murder of three policemen（他因谋杀了3名警察而在1966年被终身监禁）。

policemen的例句：Several policemen were injured in the clashes（几名警察在冲突中受伤）；The two policemen were joined by another policeman also carrying a pistol（另一名持枪警察和那两名警察会合了）。