| 单词 | crux |
| 释义 | crux 1 ENTRIES FOUND: Learner's definition of CRUX the crux : the most important part of something (such as a problem, issue, puzzle, etc.)（问题、疑难等的）关键，症结— usually + of
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英汉双解词典包含109353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。