他撞上了话筒，这给极沉闷的聚会带来了些欢乐。 His accident with the microphone bring some welcome comic relief to a very dull party.
隐形话筒，窃听器如放在人身体上或建筑物上的不让外人看到的麦克风 A hidden microphone, as on a person's body or in a building.
扩音器，麦克风，话筒将声波转变成电流的工具，通常接至扩音器，录音机或广播发射机上 An instrument that converts sound waves into an electric current, usually fed into an amplifier, a recorder, or a broadcast transmitter.
