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单词
hearing aid
释义
hearing aid
n.
(名词)
hearing aid
A small electronic apparatus that amplifies sound and is worn in or behind the ear to compensate for impaired hearing.
助听器:一种可将声音放大的小型电子装置,插入到耳中或戴于耳后以弥补受损的听力
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更新时间:2026/5/28 2:40:51