单词 | 石灰华 |
释义 | 〔tophus〕Latin tōphus [tufa] 拉丁语 tōphus [石灰华] 〔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 〔madrepore〕-pora alteration of poro [tufa, pore] from Late Latin porus [passageway] * see pore 2 or from Latin pōrus [calcareous stone, stalactite] from Greek pōros -pora poro的变化 [石灰华,细孔] 源自 后期拉丁语 porus [通道] * 参见 pore2 或源自 拉丁语 pōrus [石灰石,钟乳石] 源自 希腊语 pōros |
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