toughened /ˈtʌfnd/ 📖 中文释义 v. (使某物[人])坚韧, 坚强, 强硬( toughen的过去式和过去分词 ) 🔗 释义中的汉语词坚韧坚强强硬 🧩 词形变化 原形 toughen变形 dp 📘 English Definition(英文释义) v make tough or toughera physically tougheneda made hard or flexible or resilient especially by heat treatment ← toughen T 字母词表 toughened caustic →