扩音器
[电子] microphone;loud-speaker更多释义>>
[网络短语]
扩音器 loudspeaker;microphone;Amplifier
晶体管扩音器 transistor megaphone
压电扩音器 piezoelectric microphone;piezoacoustic transducer
loudspeaker
扬声器;扩音器;喇叭
Their names were called over the loudspeaker.
喇叭里叫着他们的名字。
megaphone; loudspeaker; audio amplifier; aerophone; microphone