这个词是什么意思？
Sensorineural hearing loss which develops suddenly over a period of hours or a few days. It varies in severity from mild to total deafness. Sudden deafness can be due to head trauma, vascular diseases, infections, or can appear without obvious cause or warning.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D003639 · MeSH 2026。
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