| 单词 | 碳酸钙 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔calc-tufa〕Calcareous tufa, a porous or spongy deposit of calcium carbonate found in calcareous mineral springs.多孔状凝灰岩：石灰质的凝灰岩，碳酸钙多孔或有吸收性的沉淀物，出现在石灰性矿物泉中美国传统〔calcareous〕Composed of, containing, or characteristic of calcium carbonate, calcium, or limestone; chalky.碳酸钙的：由碳酸钙、钙或石灰石组成的、包含此类物质的或具有其性质的；白垩的美国传统〔calciferous〕Of, forming, or containing calcium or calcium carbonate.含碳酸钙的：属于、形成于或包含钙或碳酸钙的美国传统〔calcification〕Impregnation with calcium or calcium salts, as with calcium carbonate.钙化：掺入钙或钙盐，如用碳酸钙美国传统〔cystolith〕Botany A mineral concretion, usually of calcium carbonate, occurring in the epidermal cells of certain plants, such as figs.【植物学】 钟乳体：一种矿石凝结物，通常为碳酸钙，在某些植物的表皮细胞中产生，如无花果美国传统〔dripstone〕Calcium carbonate in the form of stalactites or stalagmites.钟乳石：形成乳石或石笋的碳酸钙美国传统〔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美国传统〔pedocal〕A soil of semiarid and arid regions that is rich in calcium carbonate and lime.钙层土：半干燥和干燥地区含丰富碳酸钙和氧化钙的土壤美国传统〔tartar〕Dentistry A hard, yellowish deposit on the teeth, consisting of organic secretions and food particles deposited in various salts, such as calcium carbonate.【牙科学】 牙垢，牙结石：一种牙齿上的坚硬的浅黄色沉淀物，包含有机分泌物和各种以盐（如，碳酸钙）的形式沉淀下来的食物微粒美国传统〔travertine〕A compact calcium carbonate used as a facing material in construction.钙华：一种在建筑中用作饰面的压缩碳酸钙美国传统Fur consists mainly of calcium carbonate.水垢的主要成分是碳酸钙。剑桥国际Scale consists mainly of calcium carbonate.水垢主要是由碳酸钙组成的。剑桥国际 |
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