corneal ulceration的用法和樣例：
例句
- One consequence of acute inflammation is ulceration.
潰瘍形成是急性炎症的結局之一。 - Here, an ill-defined mass at the gastroesophageal junction produces mucosal ulceration and irregularity, which led to the clinical symptoms of pain and difficulty swallowing.
圖示胃食管交界處有性質不明的腫塊，可見潰瘍形成和不規則黏膜，臨床表現為疼痛和吞咽困難。
