中英释义：
双语例句
血管迷走神经性晕厥出现的先兆症状和体征有哪些?
What premonitory signs and symptoms may exist for vasovagal syncope?
血管迷走神经性晕厥出现的先兆症状和体征有哪些?。
What premonitory signs and symptoms may exist for vasovagal syncope ?
大约有20%的偏头痛患者伴有先兆症状.
Approximately 20 % of Migraineurs experience aura.
她忽视了一些先兆症状，也没有检查病人的病历。
She ignored the warning signals and did not check the patient's medical notes.
重点词汇
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先兆
omen; sign; forewarning; premonition; harbinger; indication; precursor; augury
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症状
symptom; sign; symptomatic