loud speaker

柯林斯词典

loudspeaker /ˌlaʊdˈspiːkə/ (also loud speaker) (loudspeakers)

• 1. 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。

• 2. 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]

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