详细解释:n. 扩音器
【医】 反射扩音器
词型变化：
副词:megaphonically形容词:megaphonic动词过去式:megaphoned过去分词:megaphoned现在分词:megaphoning第三人称单数:megaphones英语解释：
名词 megaphone:
a cone-shaped acoustic device held to the mouth to intensify and direct the human voice详细解释：
meg.a.phone
n.（名词）A funnel-shaped device used to direct and amplify the voice.扩音器：用来传声或扩音的漏斗形装置v.tr.intr.（及物动词和不及物动词）meg.a.phoned,meg.a.phon.ing,meg.a.phones To transmit (a message) or speak through or as if through a funnel-shaped voice amplification device.用喇叭筒讲，广泛宣传：通过一漏斗形的扩音装置来传达一消息或讲话，或好像通过扩音器一般传达消息或讲话
【引伸】
meg.aphon.ic
meg.aphon.ically
adv.（副词）