n.症状；征兆
The doctor made his diagnosis after studying the patient's symptoms. 医生研究病人的症状后, 作出诊断。
Fever is a symptom of many illnesses. 发烧是许多疾病的症兆。
n.症候
名词symptom的复数形式.
adj.症状的；具有症候的
adj.无症状的
n.征候学；症候学
无症状地
