| 单词 | rottenstone |
| 释义 | rottenstone [`rät·ǝn´stōn] MATERIALS A soft, decomposed limestone, light gray to olive in color; used in powder form as a polishing material for metal and wood. |
| 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。