| 单词 | Pony Express |
| 释义 | Pony Express(In the US) a system of mail delivery operating from 1860-1 between St Joseph in Missouri and Sacramento in California, using continuous relays of horse riders. |
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英语词典包含243303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。