单词 | maar |
释义 | maar/mɑː /noun Geology A broad, shallow crater, typically filled by a lake, formed by a volcanic eruption with little lava.Monogenetic volcanoes are small and occur as scoria cones, tuff cones and rings, and maars; they form from single, typically brief eruptions....
OriginEarly 19th century: from German dialect, originally denoting a kind of crater lake in the Eifel district of Germany. |
随便看 |
|
英语词典包含243303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。