| 单词 | certificate of mailing |
| 释义 | certificate of mailing : a certificate issued by a post office on special request and for a small fee attesting the nature, destination, and date of mailing of a particular piece of mail |
| 随便看 |
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。