any substance used to classify another, often by changing colour

listen to the pronunciation of any substance used to classify another, often by changing colour
الإنجليزية - الإنجليزية
chemical indicator
any substance used to classify another, often by changing colour

    الواصلة

    a·ny sub·stance used to clas·si·fy another, of·ten by chang·ing colour

    النطق

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