hearing aids

• n. 助听器

英英释义

名词 hearing aid:

1. an electronic device that amplifies sound and is worn to compensate for poor hearing

2. a conical acoustic device formerly used to direct sound to the ear of a hearing-impaired person

例句

用作名词 (n.)

1. The hearing aids are operated from batteries.
   助听器用电池供电。
2. A hearing aid helps to overcome defects in hearing.
   助听器有助于克服听觉缺陷。