It is usually permanent and requires rehabilitation such as the use of a hearing aid.
听力障碍往往是永久性的，需要使用助听器等康复手段。
Because I can barely hear, I need a hearing aid.
因为我几乎听不见，所以需要助听器。
Will my child require a hearing aid?
我的孩子需要戴助听器吗？
With the use of a hearing aid, the children there work very hard.
孩子们戴着助听器，一个个都很用功。
A hearing aid helps to overcome defects in hearing.
助听器有助于克服听觉缺陷。
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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