1847Tennyson Princ. ii. 186 That iron will, That axelike edge unturnable.
1891H. Herman His Angel 14 Honesty, sterling and unturnable, was emblazoned there.
英语词典包含277258条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。