test the microphone的意思|示意

提早一些赶到演讲场地做个彻底的现场视察 ...test the microphone; see the projector/media setup first hand and test them out. 提早一些赶到演讲场地做个彻底的现场视察，逐一检查一下所有硬件：试看看麦克风；看一下投影仪/媒体机械的作用如何，做个实地测试。

测试一下麦克风 Know the layout of the room, stand on the podium, test the microphone.