| 单词 | 氧化钙 |
| 释义 | 〔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〔lime〕Any of various mineral and industrial forms of calcium oxide differing chiefly in water content and percentage of constituents such as silica, alumina, and iron. Also called quicklime 石灰：氧化钙的矿物形式或工业形式，在水含量和成分构成上与硅、矾土和铁有较大差异 也作 quicklime〔anorthite〕A rare plagioclase feldspar with high calcium oxide content occurring in igneous rocks.钙长石：一种氧化钙含量很高稀有斜长石，多出现于火成岩中〔desiccant〕A substance, such as calcium oxide or silica gel, that has a high affinity for water and is used as a drying agent.干燥剂，脱水剂：一种对水有很强吸附性的物质（如氧化钙或硅胶），常用作干燥剂 |
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