相關(guān)單詞近義詞 loudspeaker 揚聲器, amplifier 放大器, bullhorn 帶放大器的擴音器..., loudhailer 喇叭筒, mike 擴音器, pa 爸爸, public-address system 擴音系統(tǒng)臨近詞mega, megalo 返回 megaphonically