Ove sighs and starts talking slowly, articulating his words as if the only problem here is his adversary's impaired hearing.

欧维叹了口气，开始放慢语速。一字一顿，仿佛这场谈话的困难在于店员重听。

Mealy said the glasses aren't just for the hearing impaired, they can also be used to translate several foreign languages in real-time.

米利说，这种眼镜不仅适合听力受损的人，还可以用来实时翻译几种外语。

It is unclear why impaired hearing and vision should have such an impact on the risk of dementia.

目前还不清楚为什么听力和视力受损会对痴呆症的风险产生如此大的影响。