单词 | 叠层 |
释义 | 〔stromatolite〕A widely distributed sedimentary structure consisting of laminated carbonate or silicate rocks, produced over geologic time by the trapping, binding, or precipitating of sediment by groups of microorganisms, primarily cyanobacteria.叠层:分布广泛的叠层结构,由碳酸盐和硅酸盐的岩石叠层组成,经过地理年代由微生物群,最初为藻青菌,沉淀物的分离,结合或沉降形成 |
随便看 |
|
学习网英语词汇栏目收词371507余条,连同派生词、复合词、词组和习语等。每个词条提供了音标、词性、释义、用法、搭配和同(近)义词等多项功能,对所收词汇进行全方位的解释和说明,内容丰富,功能全面。