A hearing aid helps to overcome defects in hearing.
助听器有助于克服听觉缺陷。
Will my child require a hearing aid?
我的孩子需要戴助听器吗？
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。
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。
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。
Just crank up your hearing aid a peg or two.
把助听器调高一两个刻度就可以。
Your family doctor could print out a custom hearing aid for you when you need it.
您的家庭医生，可以打印出定制助听器时，你需要它。
Your family doctor could print out a custom hearing aid for you when you need it.
您的家庭医生，可以打印出定制助听器时，你需要它。
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