名词
中文翻译：扬声器同义词
同义词：
['microphone', 'loudspeaker']
例句：
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1. The speaker on the TV is not working properly.
电视上的扬声器不工作正常。
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2. The teacher asked the students to raise their hands and speak in turn.
老师要求学生们轮流举手发言。
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3. The car's speakers are playing a soothing melody.
汽车的扬声器正在播放一首舒缓的旋律。