| 单词 | progressive proof |
| 释义 | progressive proofnoun : a proof of a set made from plates for color printing showing each color separately and then the colors combined with one color being added at a time in the order in which they are to print |
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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。