名词
中文翻译：助听器
同义词：
['audiogram', 'hearing aid', 'cochlear implant', 'hearing aids']
例句：
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1. She needs to use her hearing aids when she goes to the park.
她去公园时需要使用她的助听器。
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2.The hearing aids are designed to improve people's ability to hear.
这些助听器旨在提高人们的听力能力。
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3. The hearing aids have greatly improved his ability to communicate with others.
这些助听器极大地提高了他与他人交流的能力。