| 单词 | the crux | 
| 释义 | the cruxnoun  : the most important part of something (such as a problem, issue, puzzle, etc.)  —usually + of  The crux of the matter is that people are afraid of change.It's taken a while to get to the crux of the problem, but I think I finally understand it. | 
| 随便看 | 
英语词典包含469781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。