English was his first language and he always had a terrific ear.

英语是他的第一语言，而且他的听力一直很好。

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Infectious diseases such as meningitis, measles, mumps and chronic ear infections can lead to hearing impairment.

脑膜炎，麻疹，腮腺炎和慢性耳部感染这类传染病有可能导致听力障碍。

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Sensorineural hearing impairment is a problem with the inner ear, or, occasionally with the hearing nerve.

感音神经性听力障碍是内耳道的问题，偶尔是听力神经上的问题。

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Not just an amplification system that you put in your ear, but actually an implant that replaces the function of an organ inside your ear.

人工耳蜗不是一个简单的,植入耳朵的扩音系统,而是一种,能替代听力器官功能的移植物

耶鲁公开课 - 生物医学工程探索课程节选