| 单词 | hearing aid |
| 释义 | hearing aid (once / 49871 pages) n WORD FAMILY hearing aid USAGE EXAMPLESOut-of-pocket costs for a single hearing aid average around $2,400. Washington Times(Dec 03, 2016) The gait is a little slower, the voice a little quieter, and the hearing aid impossible to miss. The Guardian(Nov 21, 2016) Medicare won’t pay for a hearing aid or the exam required to select and fit an appropriate device. US News(Oct 18, 2016) 1n an electronic device that amplifies sound and is worn to compensate for poor hearing Syn|Hyper deaf-aid electronic device a device that accomplishes its purpose electronically 2n a conical acoustic device formerly used to direct sound to the ear of a hearing-impaired person Syn|Hyper ear trumpet acoustic device a device for amplifying or transmitting sound |
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