单词 | marlstone |
释义 | marlstone['mɑ:lstəun]n. 泥灰质岩 marlstone marl.stone AHD: [märl“st½n”] D.J. [6m$8l7st*&n]K.K. [6m$rl7ston]n.(名词)A rock containing clay materials and calcium and magnesium carbonates, with approximately the same composition as marl.泥灰岩:一种含粘土物质、钙和镁碳酸盐的岩石,其成分与泥灰土大体一致 |
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