lightheadedness編輯正在努力提供更完整的內容，建議 20 分鐘後再回來看看lightheadednesslightheadedness — 名詞名詞1. a feeling that you are about to faint or become unconscious1.名詞釋義頭暈a feeling that you are about to faint or become unconscious例句Standing up too quickly can cause lightheadedness.