主办方为志愿医生提供了一笔酬金，以感谢他的免费医疗服务。

The organizers gave the volunteer doctor an ___honorarium for his free medical services.

教授拒绝了演讲的酬金，表示能参与这次会议已是荣幸。

The professor declined the ___honorarium, stating it was an honor just to speak at the conference.