blood swelling

例句：

1. 1. The injury required immediate medical attention due to the severity of the blood swelling.
   由于伤势严重，需要立即医疗关注。
2. 2.He was diagnosed with a blood swelling after surgery.
   他在手术后被诊断出有血液肿胀。
3. 3.The doctor advised him to rest and monitor his blood swelling for any signs of infection.
   医生建议他休息并监测他的血液肿胀情况，以防感染迹象。