the quality of being logically valid
同义词：cogency??/??validity??/??rigor
something hard to endure
同义词：asperity??/??grimness??/??hardship??/??rigor??/??severity??/??severeness??/??rigorousness??/??rigourousness
excessive sternness
同义词：severity??/??severeness??/??harshness??/??rigor??/??rigorousness??/??rigourousness??/??inclemency??/??hardness??/??stiffness
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。