充血作用

例句：

1. 1. The doctor prescribed medication to relieve the patient's congestion.
   医生开了药来缓解病人的充血。
2. 2. The heart's engorgement can lead to a stroke if not treated promptly.
   如果心脏充血不及时治疗，可能会导致中风。
3. 3. The patient was given hyperemia treatments to improve blood circulation.
   给病人进行了充血治疗以改善血液循环。