arduousness /'a:djuəsnis/ 📖 中文释义 n. 艰难, 艰苦, 艰辛, 奋斗 🔗 释义中的汉语词 艰苦艰辛奋斗 📘 English Definition（英文释义） n. The quality of being arduous; difficulty of execution. ← arduously A 字母词表 ardy →