the earth foundation of a road prepared for surfacing
the bed on which the sleepers, rails, and ballast of a railway rest
| 单词 | roadbed |
| 释义 | roadbednounthe earth foundation of a road prepared for surfacing the bed on which the sleepers, rails, and ballast of a railway rest |
| 随便看 |
英语词典包含66266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。