...学会一个单词，除了要正确发音与拼写外，还必须了解单词的正确意义，并能准确使用如果是派生词(如dislike)或复合词(loud-speaker)，还要能分析结构即：dis-like；loud-speaker．因此，还必须了解一些构词法的知识并学会使用工具书 最后一点：要有信心那么多人可...
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Loud speaker [电子] 扬声器 ; 喇叭
cone loud speaker 锥形扬声器
magnetic loud speaker 磁性扬声器
hot wire loud-speaker 热线式扬声器
LS Loud Speaker 扬声器
band loud-speaker 薄带扬声器
balanced armature loud speaker 平衡舌簧式扬声器
loud speaker signalling 扬声器通信
piezoelectric loud-speaker 压电式扬声器
同义词： loudspeaker speaker speaker unit loudspeaker system speaker system
以上来源于: WordNet
N-COUNT A loudspeaker is a piece of electronic equipment that forms part of a public address system and transmits sound. 扬声器
The loudspeaker announced the arrival of the train.
广播说火车进站了。
N-COUNT A loudspeaker is a piece of equipment, for example, part of a radio or hi-fi system, through which sound comes out. 喇叭 [英国英语]
The police on duty tried to shoo away the crowd by using a loud-speaker.
在值班的警员试着把人群散去，于是他使用了扬声器。
She gave up talking as she saw bette was trying to listen to the speech that was being relayed through a loud-speaker tied to one of the trees.
系在一棵树上的扩音机里传过来人家的演讲，她看见蓓蒂要听就不说话了。
Explosion-proof flexible connecting pipes is used in explosion-proof telephone station, explosion-proof terminal, explosion-proof loud-speaker inlet or outlet to conduit and protect the cable.
防爆挠线连接管用于防爆电话站、防爆接线箱、防爆扬声器的输入，输出口到布线钢管之间的过渡连接，起到保护电缆的作用。
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