| 释义 |
英英释义n.a portable loudspeaker with built-in microphone and amplifier同反义词同义词：bullhornloud-hailern.（名詞 noun）手提式擴音器,電動擴音器;揚聲器(= bullhorn)loud-hailerbullhorn手提式擴音器,電動擴音器;揚聲器document.write('function myFunction(n){var c=document.getElementById("maintb").children |