去年，我拜访了一所为视障和听障学生所开设的特殊学校。
Last year, I visited a special school for students with weak sight or hearing loss.
特别是，还需要深入全面地调查嘈杂的教室和活动对听障人士有哪些影响。
In particular, the effects of noisy classrooms and activities on those experiencing disabilities in the form of auditory function deficit need thorough investigation.
研究者认为声调听障是一种遗传的音乐感知系统退化病症。
Researchers regard tone deafness an inherited disruption of a brain network that decodes musical pitch.
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