n.擴(kuò)音器
v.(用擴(kuò)音器)傳達(dá)
He often speaks in public with a megaphone. 他常用擴(kuò)音器當(dāng)著大眾演說。
The mayor addressed the stirred crowd with a megaphone. 市長(zhǎng)用擴(kuò)音器向激動(dòng)的群眾講話。
The conference hall was installed with radio set and megaphone. 會(huì)場(chǎng)里設(shè)置了收音機(jī)和擴(kuò)音器。