“抗议游行”常见的英文表达是 “protest march” 或 “protest demonstration”。
protest march:更侧重于描述以行进、游行方式进行的抗议活动。例如:Thousands of people took part in the protest march against the new policy.(数千人参加了反对新政策的抗议游行。)
protest demonstration: 强调这是一种带有抗议性质的示威活动,形式不一定局限于行进。例如:A large protest demonstration was held in the city center.(市中心举行了一场大型抗议示威活动。 )