ulcers 📖 中文释义 n. 溃疡, 疡（ulcer的复数） 🔗 释义中的汉语词 溃疡 🧩 词形变化 原形 ulcer 📘 English Definition（英文释义） n a circumscribed inflammatory and often suppurating lesion on the skin or an internal mucous surface resulting in necrosis of tissue ← ulcerously U 字母词表 ulcinj →