sign of disease

例句：

1. 1. Thedoctor said there was a slight fever asa sign of infection.
   医生说有轻微的发烧作为感染的迹象。
2. 2. The patient's bloodpressure reading is a clear sign of highblood pressure.
   患者的血压读数是高血压的明显迹象。
3. 3. The sudden drop in temperatureis a strong indication of an impendingstorm.
   温度突然下降是一个即将来临暴风雨的强烈迹象。