debater [dɪˈbeɪtər]

例句:

• Rory was judged to be a better debater.
  来自THETIMES
• The debater was quick on the draw.
  辩论者思维敏捷.
  
• The debater countered with another argument.
  这个辩论者提出另一个论点进行反驳.
  
• The debater's argument failed of logical connection.
  辩论者的论点缺少逻辑上的连贯性.
  
• When I was a debater, we called that winning.
  来自SA
• Sooner or later, his would-be debater is charmed and silenced.
  来自NEWYORKER