n.麥克風；擴音器
He is talking into a microphone. 他正在對著麥克風講話。
Plug in the microphone or no one will hear me. 請把麥克風插上，不然沒人聽得到我的聲音。
He gave a tap at the microphone before speaking. 他在講話前先輕叩了一下擴音器。
麥克風
