undoing /.ʌn'du:iŋ/ 📖 中文释义 n. 毁灭, 取消 🔗 释义中的汉语词 毁灭取消 🧩 词形变化 原形 undo 📘 English Definition（英文释义） n. an act that makes a previous act of no effect (as if not done) ← undograph U 字母词表 undomestic →