microphone; transmitter; speaking trumpet; megaphone◇话筒放大器 microphone amplifier传话筒: acoustic horn; speaking (or voice) tube; speaking pipe; speaking trumpet; voice pipe whistle; voice tube发话筒: mouthpiece话筒的: microphonic话筒架: mike stand话筒线: microphone cord; mike line下载手机词典可随时随地查词查翻译