ulceration [ˌʌlsə'reɪʃn]

例句:

• Other symptoms include soreness and itching in the area and sometimes ulceration.
  来自BBC
• Burning pain is often applied to the sensation of active peptic ulceration.
  灼痛常适用于活动的消化性溃疡的感觉.
  
• It may merely demonstrate scarring of the duodenal bulb caused by previous ulceration.
  这仅显示原有溃疡引起的十二指肠球部瘢痕.
  
• The surface on the far left shows ulceration and hemorrhage.
  最左面显示了溃疡和出血.
  
• Potassium salts are irritant when taken by mouth; they may cause ulceration of the stomach.
  来自P. Parish
• Symptoms are usually completely reversible but in severe cases there is permanent damage and ulceration of the tissues.
  来自BBC