petechial hemorrhage

例句：

1. 1.He had a petechial hemorrhage on his forehead, which was caused by the stress of the exam.
   他的额头上出现了一个毛细血管出血，这是由于考试的压力导致的。
2. 2. The doctor advised him to take an anti-inflammatory medication to prevent future petechial hemorrhages.
   医生建议他服用抗炎药物以防止未来的毛细血管出血。
3. 3. During surgery, the patient experienced a petechial hemorrhage due to the pressure from the surgical instrument.
   在手术过程中，患者因为手术器械的压力而出现了毛细血管出血。