演讲坛 yǎnjiǎngtán rostrum Origin Definitions Defs Strokes Stroke Words Sentences Sents 演讲 演講 yǎnjiǎng noun speech A lecture or a speech; the content of a presentation given to an audience.坛 壇 tán noun forum a platform or place for lecturing or expressing opinions, such as a rostrum or an online discussion board