subcutaneous hematoma

例句：

1. 1. He sustained a minor injury to his arm while playing football and developed a subcutaneous hematoma.
   他在踢足球时受了轻伤，导致手臂出现皮下血肿。
2. 2.The doctor advised him to keep the wound clean and avoid irritating it with pressure, which could lead to a subcutaneous hematoma.
   医生建议他保持伤口清洁，避免用压力刺激它，这可能会导致皮下血肿。
3. 3. After the surgery, she was given an injection of antibiotics to prevent any potential subcutaneous hematoma formation.
   手术之后，她被注射了抗生素以防止任何潜在的皮下血肿形成。