| 单词 | know something backwards |
| 释义 | know something backwards or know something backwards and forwards to know something very well I thoroughly enjoy lecturing and I know my subject backwards. |
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英语词典包含298861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。