Translation of "Microphone" in Chinese

Tom put his hand over the microphone.

汤姆把手放在麦克风上。

The probe is equipped with a microphone.

探头配有麦克风。

For some reason the microphone didn't work earlier.

剛才我的麥克風沒起作用，不知道為什麼。

Without warning, the teachers ask students from each country to take the microphone and explain to everyone their reasons for coming to Harbin.

冷不防，老师让每个国家的学生用话筒给大家讲一下自己来哈尔滨的原因。