1878, coined (perhaps by Thomas Edison, who invented it) from Greek megas "great" (see mega-) + phone "voice" (see fame (n.)). Related: Megaphonic. In Greek, megalophonia meant "grandiloquence," megalophonos "loud-voiced."
雙語例句
1. A megaphone boomed out, "This is the police."
擴音器響了起來：“我們是警察。”
來自柯林斯例句
2. Making monetary policy by megaphone never leads to good results.
夸夸其談的貨幣政策決不會取得效果.
來自互聯網
3. He hawks with a megaphone, saving a lot of effort.