| 释义 |
calcium carbonaten.（名词）- A colorless or white crystalline compound, CaCO3, occurring naturally as chalk, limestone, marble, and other forms and used in a wide variety of manufactured products including commercial chalk, medicines, and dentifrices. 碳酸钙：一种无色或白色的晶体化合物，CaCO3，通常出现于白垩、生石灰、大理石和其它状态中，用于包括商用的粉笔、药品和牙膏等大量工业制成品
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