| 单词 | alum shale |
| 释义 | Definition of alum shale in English:alum shalenoun
OriginMid 18th century; earliest use found in John Smeaton (1724–1792), civil engineer. Definition of alum shale in US English:alum shalenoun
OriginMid 18th century; earliest use found in John Smeaton (1724–1792), civil engineer. |
| 随便看 |
|
英语词典包含464360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。