面试官让她对着麦克风说话。

The interviewer asked her to speak into the ___microphone.

我的笔记本电脑有一个内置麦克风。

My laptop has a built-in ___microphone.

然后我们必须插上所有电子乐器、扬声器、灯和麦克风。

Then we had to plug in all the electric instruments, speakers, lights, and ___microphones.