【释义】
a piece of equipment that you speak into to record your voice or make it louder when you are speaking or performing in public
麦克风，话筒，传声器，扩音器:
【例句】
She spoke confidently into the microphone.
她自信地对着麦克风说话。
【例句】
They searched the room for hidden microphones.
他们在屋里翻找暗藏的麦克风。
