There are two main problems which afflict people with hearing impairments.
有两大问题困扰有听觉障碍的人。
Bell's research on hearing and speech further led him to experiment with hearing devices.
贝尔关于听力和语言的研究帮助他更进一步的去试验助听设备。
The research revealed that touch sensitivity was highly heritable and connected closely with hearing ability.
研究显示，触摸能力是可以高度遗传的而且和听觉能力密切联系。
But most people with hearing loss are under 65 years old.
然而，事实上，大多数损失听力的人都在65岁以下。
With hearing the news, Tom opened his big mouth surprisedly.
听到这个消息，汤姆惊讶得张大了嘴巴。
We are really used to (familiar with) hearing non-native speakers of English speak English.
我们已经很熟悉非英语母语的人说英语了。
We are really used to (familiar with) hearing non-native speakers of English speak English.
我们已经很熟悉非英语母语的人说英语了。
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