loudspeaker的意思
loudspeaker
基本释义
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n
喇叭,扬声器;扩音器
a piece of equipment used to make sounds louder
例句
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The loudspeaker announced the arrival of the train.
广播说火车进站了。
a piece of equipment used to make sounds louder
The loudspeaker announced the arrival of the train.
广播说火车进站了。
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