| 单词 | proof set |
| 释义 | proof set in American English a set of coins (proof coins), one of each denomination, minted annually from highly polished metal on special dies, issued for collectors rather than for circulation Examples of 'proof set' in a sentence |
| 随便看 |
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。