| 释义 |
〔marl〕A crumbly mixture of clays, calcium and magnesium carbonates, and remnants of shells, used as fertilizer for lime-deficient soils.泥灰土：一种由粘土、钙、镁碇酸盐和贝壳碎片构成的易碎混合物，用作缺乏碳酸钙土壤的肥料〔marl〕diminutive of Latin marga [marl] 拉丁语 marga的小后缀 [泥灰土] 〔marlstone〕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 |