podium

1. N-COUNT A podium is a small platform on which someone stands in order to give a lecture or conduct an orchestra. 讲台; (乐队) 指挥台

Unsteadily he mounted the podium, adjusted the microphone, coughed, and went completely blank. 他摇摇晃晃地走上讲台，调好麦克风，咳嗽了几声，接着脑子就一片空白。