hearing-aids
英['hiərɪŋ'eɪdz]
美['hiərɪŋ'eɪdz]
- 助听器
详细释义
名词 hearing aid:
-
an electronic device that amplifies sound and is worn to compensate for poor hearing
-
a conical acoustic device formerly used to direct sound to the ear of a hearing-impaired person
双语例句
- The hearing aids are operated from batteries.
助听器用电池供电。 - A hearing aid helps to overcome defects in hearing.
助听器有助于克服听觉缺陷。
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