(noun.) a circumscribed inflammatory and often suppurating lesion on the skin or an internal mucous surface resulting in necrosis of tissue.
布雷迪录入
双语例句
The royal Confessor was endowed by heaven with power to cleanse the ulcers of the body, but only God himself can cure the leprosy of the soul. 沃尔特·司各特.艾凡赫.