audiphone

/ˈɔːdɪˌfəʊn/
a type of hearing aid consisting of a diaphragm that, when placed against the upper teeth, conveys sound vibrations to the inner ear 助听器

noun [专属名词] （美）助听器（等于 dentiphone）

The doctor recommended an audiphone for the elderly gentleman who was struggling to hear conversations. 医生为这位听力困难的老年绅士推荐了一款助听器。

audi- aud(i),audit=hear,表示“听” audiphone n.（美）助听器(audi 听 + phone电话)
audiphone

n.助听器
单词造句:

与 “audiphone” 相关联的词汇

近义词 dentiphone /ˈdentəfəʊn/ n.[医] 牙助听器