菜篮子兴趣思朗文词典

pyroxylin

P 开头单词

柯林斯词典

    pyroxylin /paɪˈrɒksɪlɪn/

  • 1. N a yellow substance obtained by nitrating cellulose with a mixture of nitric and sulphuric acids; guncotton: used to make collodion, plastics, lacquers, and adhesives 硝酸纖維素; 火棉

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