原级：hearing aid
1. hearing aids的翻译
1. The doctors all suggested she should buy a pair of hearing aids for her daughter.
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2. Those with hearing problems but can hear after wearing hearing aids can also apply.
3. Her parents bought her the most expensive hearing aids and consulted countless hearing experts.
4. The finding could eventually help companies design better hearing aids and other devices for restoring hearing.
5. Early fitting of hearing aids and early training will greatly improve the clarity of deaf children's pronunciation.