| 释义 |
〔travertine〕A light-colored porous calcite, CaCO3, deposited from solution in ground or surface waters and forming, among other deposits, stalactites and stalagmites. 石灰华:一种淡色的多孔方解石,分子式为CaCo3,溶解储存于地下或地表水中。它还形成钟乳石和石笋,这也是它的另外一种存在方式 〔pit〕To place, bury, or store in a pit.把…放入坑内:放、埋或储存于坑内 |