“化学物质”是一个必要的术语

Chemical Substance Is a Necessary Term

例举化学物质一词的使用情况,讨论界定化学物质一词的必要性,提出:化学物质是以原子及其聚集体(核-电子体系)为微观实体的,构成占有空间的宏观物体(气体、液体、固体)的东西。建议在辞书里增添化学物质为一词条,建议教学中讨论化学物质的概念。

The paper gives samples of the use of chemical substance,and discusses the necessity of defining the term. Chemical substance is the entity of atoms and their aggregates, i. e. nucleus-electron-systems in microscale to build the object occupying space, i. e. gas, liquid and solid in macroscale. The author suggests the term be added in dictionaries and textbooks.