| 单词 | red-letter day |
| 释义 | red-letter day Word forms: red-letter days countable noun A red-letter day is a day that you will always remember because something good happens to you then. It was a red-letter day when the village regained its phone box. |
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英语词典包含147115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。