请输入您要查询的字词:

 

单词 guano
释义
guano

Biology
  • An accumulation of the droppings of birds, bats, or seals, usually formed by a long-established colony of animals. It is rich in plant nutrients, and some deposits are extracted for use as fertilizer.


Geology and Earth Sciences
  • The leached residue of profuse accumulations of bird or bat excrement, rich in calcium phosphate. Such deposits are found particularly on arid oceanic islands and in caves. Guano is worked industrially as a phosphate resource.


随便看

 

科学参考收录了60776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。

 

Copyright © 2000-2023 Sciref.net All Rights Reserved
京ICP备2021023879号 更新时间:2024/12/25 2:23:37