爱词霸英语   汉语   手机版   软件版下载 | English
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1.transistor megaphone
晶体管扩音器收藏指正
2.set up a microphone;
安装扩音器话筒收藏指正
3.The loudspeaker's stopped working.
扩音器不响了。收藏指正
4.a portable loudspeaker with built-in microphone and amplifier.
内部带有扩音器和扬声器的轻便的扩音器。收藏指正
5.a loudspeaker that reproduces higher audio frequency sounds.
能够产生高频音的扩音器。收藏指正
6.a loudspeaker that reproduces lower audio frequency sounds.
能够产生低频音的扩音器。收藏指正
7.I bought an amplifier yesterday.
我昨天买了一个扩音器。收藏指正
8.The electronic amplifiers made music more penetrating.
电子扩音器使音乐变得有穿透力.收藏指正
9.The conference hall was installed with radio sets and megaphones.
会场里设置了收音机和扩音器。收藏指正
10.Loudspeakers belched out deafening pop music.
扩音器里播放出震耳欲聋的流行音乐。收藏指正
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