名词
中文翻译：组合耳机
同义词：
['combined earphones', 'integratedearphones']
例句：
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1.We need to buy a pair of combinationearphones for our next trip.
我们需要买一对组合耳机，为我们的下一次旅行。
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2.The new music system has a built-in combination earphone.
新音乐系统内置了组合耳机。
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3. The concert was so loud thatthe combination earphones were barely audible.
音乐会太吵了，组合耳机几乎听不见。