单词 | ectohumus |
释义 | ectohumus [¦ek·tō`hyü·mǝs] GEOLOGY An accumulation of organic matter on the soil surface with little or no mixing with mineral material. Also known as mor; raw humus. |
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。