| 单词 | 经常发作 |
| 释义 | 〔migraine〕A severe, recurring headache, usually affecting only one side of the head, characterized by sharp pain and often accompanied by nausea, vomiting, and visual disturbances. Also called megrim 偏头痛：一种严重的，经常发作的头痛，通常只发作于头的一侧，表现为剧烈的疼痛，常伴随有恶心，呕吐及视觉混乱等症状 也作 megrim |
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