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單詞乎

hearing-aid

hearing-aid是什么意思、hearing-aid怎么讀

hearing-aid漢語翻譯

【計】 *

hearing-aid英語解釋

名詞 hearing-aid:

  1. an electronic device that amplifies sound and is worn to compensate for poor hearing
    同義詞:hearing aid, deaf-aid
  2. a conical acoustic device formerly used to direct sound to the ear of a hearing-impaired person
    同義詞:hearing aid, ear trumpet
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