hearing-aid

英 ['hiərɪŋ'eɪd] 美 ['hiərɪŋ'eɪd]

• 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. A hearing aid helps to overcome defects in hearing.
   助听器有助于克服听觉缺陷。
2. She adjusted the power on her hearing aid.
   她调了调助听器的电流量。