| 释义 |
hearing aidˈhearing aid noun [countable]   - An old-fashioned kind of hearing aid was called an ear trumpet.
- Glover hesitated and then refrained from adjusting his hearing aid.
- Headphones are not practicable for hearing aid wearers because the proximity of the headphone causes acoustic feedback in the aids.
- I realized for the millionth time that she was too proud to wear a hearing aid in her dead ear.
- Some venues have an induction loop fitted to assist hearing aid users.
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