| 单词 | hearing aid |
| 释义 | hearing aidSEE SYNONYMS FOR hearing aid ON THESAURUS.COM nouna compact electronic amplifier worn to improve one's hearing, usually placed in or behind the ear. Origin of hearing aidFirst recorded in 1920–25 Words nearby hearing aidHeard and McDonald Islands, Heard Island and McDonald Islands, hear from, hear, hear, hearing, hearing aid, hearing dog, hearing-ear dog, hearing-impaired, hearing impairment, hearing loss Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for hearing aid
British Dictionary definitions for hearing aidhearing aid nouna device for assisting the hearing of partially deaf people, typically consisting of a small battery-powered electronic amplifier with microphone and earphone, worn by a deaf person in or behind the ear Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Medical definitions for hearing aidhearing aid n.A small electronic apparatus that amplifies sound and is worn in or behind the ear to compensate for impaired hearing. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. |
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