| 单词 | sandbag |
| 释义 | sandbag [`san´bag] ENGINEERING A bag filled with sand; used to build temporary protective walls. GEOLOGY In the roof of a coal seam, a deposit of glacial debris formed by scour and fill subsequent to coal formation. |
| 随便看 |
|
科学参考收录了103327条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。