淤血

例句：

1. 1.He had a deep cut on his legand it swelled up intoa big bruise.
   他的腿被划了一道深口子，然后肿了起来。
2. 2. The doctor advised him to stayoff his injured leg for another week.
   医生建议他再休息一周，不要碰伤腿。
3. 3. Afterthe surgery, he was givenan anti-inflammatory medication to reduceswelling and pain.
   手术后，他服用了消炎药来减轻肿胀和疼痛。