这个词是什么意思？
An unpleasant sensation in the stomach usually accompanied by the urge to vomit. Common causes are early pregnancy, sea and motion sickness, emotional stress, intense pain, food poisoning, and various enteroviruses.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D009325 · MeSH 2026。
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