音标：['meɡəfəʊn] ；

n. 扩音器
v. (用扩音器)传达

megaphone的用法和样例：

例句

用作名词(n.)

He often speaks in public with a megaphone.他常用扩音器当着大众演说。
The mayor addressed the stirred crowd with a megaphone.市长用扩音器向激动的群众讲话。
The conference hall was installed with radio set and megaphone.会场里设置了收音机和扩音器。

词汇搭配

electric megaphone喊话器

【近义词】

loudspeaker扬声器
amplifier放大器
bullhorn带放大器的扩音器...
loudhailer喇叭筒
mike扩音器
pa<口>爸爸
public-address system扩音系统

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