单词：megaphone
音标：['megәfәun] ；
n. 扩音器
[医] 反射扩音器
[医] 反射扩音器
n. a cone-shaped acoustic device held to the mouth to intensify and direct the human voice
词型变化：名词复数形式 : megaphones
词性分布：
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
单词：megaphone 相关文章
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发表于:2019-01-01 / 阅读(119) / 评论(0)
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Megaphones If you want to call to a friend half a block down a crowded street, you might cup your hands around your mouth to better aim your voice. Have you ever wondered why simple megaphonesamplify your voice so well? Actually, they work for two di
发表于:2019-03-09 / 阅读(152) / 评论(0)
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英语听力文摘 English Digest