blue rubber bleb nevus

例句：

1. 1.The patient had a blue rubber bleb nevus on his forehead.
   患者额头上有一块蓝橡胶泡状痣。
2. 2.The doctor removed the blue rubber bleb nevus from the patient's skin.
   医生从患者的皮肤上移除了蓝橡胶泡状痣。
3. 3. The blue rubber bleb nevus on the patient's face was caused by an accident.
   患者脸上的蓝橡胶泡状痣是由一次事故造成的。