But you don't play music on them. They're to help him hear.

但是你不能在助听器上弹奏乐曲。它们是帮助他的听觉的。

" What have you got in your mouth? Oh! Thank you." Hearing aid!

" 你嘴巴里咬着什么东西？啊！谢谢你" 。是个助听器!

Others have to use hearing aids or other devices instead.

其他人则必须使助听器或其他设备。

Myers was wearing hearing aids which contain the inexpensive little magnetic sensor.

大卫所戴的助听器里面有成本低廉的小型磁传感器。

Many new hearing aid models use the technology.

如今很新型助听器都这种技术。

Eliza has severe hearing loss and wears two hearing aids.

伊莱莎有重度的听力损失，双耳戴助听器。

Most hearing aids are priced between $100 and $800.

大数助听器价格在100至800美元区间。

I will try them on when you buy hearing aids!

你买助听器那天我会戴上的！

A new FDA proposal could make hearing aids more affordable for millions of Americans.

美国食品和药物管理局的一项新提议可能会让数百万美国人更容易买得起助听器。

Getting them glasses, shoes, eye care, proper hearing aids.

为他们准备眼镜、鞋子、眼部护理、合适的助听器。

Last year the FDA approved some hearing aids that can be sold over the counter.

去，FDA 批准了几种助听器为非处方医疗器械。

Now, how can you tell whether a web functions as an arachnid hearing aid?

那你怎么看出它就像蛛网蜘蛛的助听器呢？

Well, this is called a hearing aid.

嗯，这叫做助听器。

The U.S. Food and Drug Administration (FDA) has approved a new class of hearing aid devices.

美国食品药品监督管理局（简称FDA）批准了一种新型助听器设备。

The FDA first proposed the rule change for hearing aids last year.

FDA去首次提出对助听器进行规则上的修改。

For many people there, airing aids are simply unaffordable.

对这个国家的大数人而言，助听器都是无法负担得起的物品。

Hearing aids should be prescribed as early as possible.

尽早使助听器。

He urges people to try hearing aids if age brings hearing loss, which can create social isolation.

他敦促人们，如果衰老导致听力损伤就尝试助听器，听力损伤会造成社会孤立。

The FDA estimates that the hearing aids could help nearly 30 million adults in the United States.

FDA估计这种助听器可以帮助美国近3000万的成人。

And after the hearing test is completed, the device program will start to be a hearing aid.

在进行完听力测试后，这个设备就是一个助听器了。