vital signs

例句：

1. 1. The doctor checked the patient's vital signs before giving him medication.
   医生在给病人用药前检查了他的生命体征。
2. 2. The team was monitoring the vital signs of the injured soldier.
   团队正在监测受伤士兵的生命体征。
3. 3. The new drug has shown to improve vital signs in patients with heart failure.
   新药已经显示能改善心脏病患者的生命体征。