名詞 protester:

1. a person who dissents from some established policy
   同義詞：dissenter, dissident, objector, contestant
2. someone who participates in a public display of group feeling
   同義詞：demonstrator

1. The findings of the report threw discredit on the protesters' claims.
   報告中展示的調(diào)查結(jié)果使抗議者的要求遭到了懷疑。
2. The protesters showed their defiance of the official ban on demonstrations.
   抗議者藐視官方的示威禁令。
3. The protesters were dragged away by the police.
   抗議者被警察拖走了。