urea /juә'riә/ 📖 中文释义 n. 尿素[化] 脲; 尿素 🔗 释义中的汉语词 尿素 📘 English Definition（英文释义） n. the chief solid component of mammalian urine; synthesized from ammonia and carbon dioxide and used as fertilizer and in animal feed and in plastics ← Ure U 字母词表 urea acetate →