| 单词 | flat back |
| 释义 | flat backnoun : a book backbone made without rounding and sometimes without backing also : a book so bound or the style of binding featuring this construction |
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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。